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PTO

Paid time off (PTO), also known as personal time off, is an employee under which employers provide workers with a fixed bank of paid hours or days that can be drawn upon for , illnesses, personal errands, or other non-work needs, rather than allocating separate quotas for and time. This approach originated in the early amid industrial-era labor reforms, with U.S. President advocating in for workers to receive two to three months of annual to sustain , though widespread adoption in private industry occurred later through and HR practices starting in the mid-20th century. PTO policies vary by accrual method—front-loaded at year-start, earned incrementally per pay period, or unlimited—but empirical data indicate they correlate with reduced employee turnover, with one study finding a 35% lower quit rate among recipients overall, and improved mental health outcomes like a 29% reduced odds of depression for every 10 additional PTO days available to women. Employers benefit from simplified absence tracking and fewer fraudulent sick days, as PTO pools discourage misuse by encompassing all excused absences, though controversies arise from underutilization—nearly half of U.S. workers leave PTO unused due to workload pressures or job insecurity fears—and financial liabilities for accrued but unused balances upon termination. Unlimited PTO variants, popularized in tech firms, promise flexibility but often result in even lower take-up rates, as employees self-regulate conservatively without defined caps, potentially undermining rest's restorative effects on productivity. Despite these issues, PTO remains a staple benefit, with private-sector prevalence exceeding 70% for vacation components by the early 2000s, reflecting causal links to retention and performance absent in no-PTO systems.

Business and Employment

Paid Time Off (PTO) refers to a compensated employee benefit that consolidates various forms of leave—such as vacation, illness, and personal time—into a single allocation of paid hours or days, allowing flexibility in usage without requiring justification for the purpose. Unlike separate categories for sick and vacation leave, PTO banks enable employees to draw from one pool, often accrued incrementally based on hours worked, tenure, or pay periods. In the United States, PTO is not mandated by federal law for private employers, originating primarily from voluntary company policies rather than statutory requirements; early paid leave developments focused on state-level temporary disability insurance in the 1940s, with broader PTO adoption accelerating through employer practices in the late 20th century. U.S. employers typically offer an average of 20 PTO days annually, combining vacation and sick leave, though this varies by tenure: employees with 1-2 years of service receive around 12 vacation days plus 10 sick days, rising to 26 days for those with 20+ years. Accrual methods include front-loading a full allotment at the start of the year or gradual earning (e.g., 1 day per month), with 56% of organizations using traditional segmented models over unified PTO banks. However, utilization remains low; in 2024, 48% of workers anticipated not using all allotted time due to workload pressures or job insecurity, resulting in an average of $2,953 in unused accrued value per employee. Unlimited PTO policies, adopted by some firms to reduce administrative burdens, often yield fewer days taken—averaging 16 annually—compared to fixed allotments, potentially due to perceived risks of appearing unproductive. Empirical evidence links PTO to reduced —where ill workers attend but underperform—lowering losses estimated at higher costs than itself, while also enhancing retention and mitigating by up to 81% through improved focus. Studies further indicate that adequate leave correlates with lower , exhaustion, and rates among workers, alongside indirect gains from sustained employee and . Conversely, PTO incurs direct wage costs without output and risks or hoarding, creating payout liabilities upon termination under many policies; critics note that generous provisions may inflate operational expenses without proportional returns, particularly in unlimited models where uptake disparities favor senior staff. Globally, U.S. PTO lags statutory minima elsewhere: the requires at least 4 weeks (20 days) of paid , with countries like mandating 5 weeks, while nations such as and offer 30 days after one year. No U.S. federal vacation mandate exists, though some states like regulate accrual (e.g., 1 hour per 30 worked), highlighting a reliance on market-driven benefits over government intervention. This voluntary framework reflects employer discretion but contributes to lower averages compared to mandated systems in over 140 countries.

Education

Parent-Teacher Organization

A Parent-Teacher Organization (PTO) refers to a local, independent group formed by parents, teachers, and school staff to support educational programs through volunteering, event coordination, and fundraising. These organizations operate without affiliation to national bodies, allowing them to set their own bylaws, retain all raised funds, and direct resources solely toward their specific school's priorities, such as purchasing supplies or enhancing facilities. In contrast, Parent-Teacher Associations (PTAs) must pay dues to the National PTA, follow its standardized rules, and contribute to broader advocacy efforts, which can impose administrative requirements and dilute local control. Approximately 60,000 PTOs serve U.S. schools, outnumbering PTA units and reflecting a preference among many communities for autonomy over centralized structures. PTO activities typically center on bridging gaps in funding by organizing events like auctions, fun runs, and merchandise , which generate for items including materials, field trips, and upgrades. Funds are managed locally, with 2023 survey data indicating average annual expenditures of $27,662 per group, directed toward enrichment and teacher support rather than external programs. Beyond finances, PTOs facilitate parent-teacher communication, host family nights, and promote volunteerism, which empirical studies associate with higher achievement, better , and improved behavioral outcomes due to increased family-school partnerships. This model of localized operation emerged as an alternative to frameworks, particularly in schools seeking flexibility amid criticisms of organizations' dues and mandates, though both types emphasize empirical benefits of parental involvement without mandating formal membership fees. PTOs' minimizes overhead, enabling more direct allocation to verifiable needs, as evidenced by consistent spending patterns post-pandemic stabilization.

Engineering and Technology

Power Take-Off

A (PTO) is a gearbox or driveshaft assembly that couples the rotational power of a vehicle's or to an auxiliary component, such as a , , , or implement, enabling the driven equipment to perform tasks independent of the vehicle's primary . This transfer typically utilizes only a fraction of the 's total output, with and speed governed by the PTO's gear ratio and engagement mechanism to match the auxiliary load. PTOs are integral to heavy-duty applications where stationary or low-speed operations demand engine-derived power without idling the vehicle inefficiently. The concept originated in early 20th-century , with the first documented PTO-equipped built by French manufacturer Albert Gougis in 1906 to drive a McCormick via a power shaft. By 1919, introduced the first commercial PTO on its 8-16 model, standardizing power transfer to pulled implements and marking a shift from animal-drawn to mechanized farming. This innovation reduced labor dependency and increased efficiency, as tractors could now power mowers, balers, and plows directly rather than relying solely on draft force. PTO systems vary by mounting location and actuation method, including transmission-mounted units that engage via a shift lever or air/hydraulic for applications; engine-mounted variants directly linked to the ; and transfer case-mounted types for four-wheel-drive vehicles. Other configurations encompass mechanically driven (lever-operated), hydraulically driven (fluid-pressure engaged for smoother starts), and electrically actuated systems for precise control in modern electric or setups. Selection depends on required —often up to several thousand foot-pounds—rotation direction, and output speed, which must align with the driven equipment's specifications to prevent overload or slippage. In , PTOs drive implements like rotary tillers and harvesters, transferring through splined shafts at standardized speeds of 540 or 1,000 . Industrial uses include powering hydraulic systems on dump trucks for refuse collection or cement mixers, and auxiliary functions in equipment such as milling or crushing plants. In marine and off-road contexts, PTOs enable winches or generators, enhancing versatility across sectors like and emergency services. Safety hazards arise primarily from rotating and unguarded components, with entanglement risks causing severe injuries or fatalities; for instance, clothing or limbs can wrap around unguarded PTO stubs at high speeds, leading to or crushing. Mitigation requires mandatory guards on , disengagement before attachment disconnection, and shutdowns during maintenance, as emphasized in agricultural protocols. Overloading or improper engagement can also cause mechanical failure, such as gear stripping or shaft breakage, necessitating torque-limiting clutches in high-demand setups. Standards govern PTO design for interoperability and safety, including J717 for auxiliary drives on agricultural tractors, specifying dimensions for mid- and side-mounted PTOs to ensure compatibility with implements. Internationally, ISO 5673-1:2005 defines PTO drive shafts for tractors and self-propelled machines, covering power-input connections, spline dimensions, and guarding requirements to minimize hazards. Additional ISO/ASABE standards, such as those for rear-mounted PTO types 1-3, standardize shaft locations and ratings, while electric PTO interfaces follow emerging protocols for hybrid vehicles. Compliance ensures reliable power transfer while addressing causal risks like vibration-induced wear or misalignment.

Communication and Publishing

Please Turn Over

"Please Turn Over" (PTO or P.T.O.) is a written abbreviation directing the reader to turn the page to access additional content on the reverse side. It is typically placed at the bottom of a page in documents such as letters, manuscripts, examination papers, and printed forms. The abbreviation has been in standard use since at least the early 20th century, appearing in reference works like the Encyclopedia Americana (1920), which defines P.T.O. as "Please turn over." Similarly, historical compilations of abbreviations, such as those in Project Gutenberg's archival texts, list P.T.O. with the same meaning, underscoring its role in formal and informal written communication. In educational and administrative contexts, particularly in traditions, PTO appears on exam scripts or answer booklets to prompt candidates to continue on the verso. Its simplicity ensures clarity in single-sheet or multi-page formats where content intentionally spans both sides, preventing oversight of supplementary material. While less common in digital documents today, it persists in printed media requiring physical page manipulation.

Military and History

Pacific Theater of Operations

The Pacific Theater of Operations encompassed Allied campaigns against Imperial Japan across the vast region during , from Japan's on , 1941, to the formal Japanese surrender on September 2, 1945. This theater involved primarily forces, alongside contributions from , , , and , countering Japan's aggressive expansion that had begun with the invasion of in 1931 but escalated into open war with the following the strike, which sank or damaged eight battleships and killed 2,403 Americans. The PTO's scale dwarfed European operations in geographical scope, requiring unprecedented amphibious logistics and naval dominance to project power over thousands of miles of ocean. Strategic control rested with the US Joint Chiefs of Staff, who divided the theater into the Southwest Pacific Area under General , emphasizing land advances through and the , and Pacific Ocean Areas under Admiral , focusing on carrier-based naval strikes and central Pacific island seizures. Initial Japanese momentum captured the by May 1942, including the fall of on after the , where 75,000 Allied prisoners endured forced marches resulting in 5,000–18,000 deaths from starvation, disease, and executions. The US response shifted to an "island hopping" strategy—also termed —bypassing fortified Japanese strongholds to seize underdeveloped atolls for airfields and staging bases, thereby isolating enemy garrisons and minimizing direct assaults on unsupportable positions. This approach conserved resources amid Japan's defensive of attrition through , fanatical resistance, and tactics like banzai charges, where troops launched suicidal assaults rather than surrender. A pivotal reversal occurred at the on June 4–7, 1942, where codebreakers enabled naval forces to ambush and sink four Japanese carriers, killing 3,057 Japanese sailors and shattering the Imperial Navy's offensive capacity. The , launched August 7, 1942, and lasting until February 9, 1943, marked the first major Allied offensive, with and troops securing the island after six months of , naval clashes, and 1,600 deaths against 24,000 Japanese fatalities. Subsequent advances included the ' capture at in November 1943 (1,115 dead, nearly all 4,700 Japanese defenders killed) and the in early 1944, enabling long-range bombers to strike proper. Central Pacific thrusts accelerated in 1944 with the campaign, securing (June 15–July 9, 3,426 US killed, 29,000 Japanese dead), , and for B-29 Superfortress bases that facilitated firebombing raids, such as the March 9–10, 1945, inferno that destroyed 16 square miles and killed over 100,000 civilians. MacArthur's Southwest forces liberated parts of by 1944 and invaded the at on October 20, 1944, triggering the (October 23–26), history's largest naval engagement, where US forces sank four Japanese carriers and three battleships, with losing 12,000 men. Late-war assaults on (February 19–March 26, 1945; 6,821 US killed, 20,000 Japanese dead) and Okinawa (April 1–June 22, 1945; 12,500 US dead, 110,000 Japanese military fatalities plus 100,000 Okinawan civilians) underscored the theater's ferocity, with attacks sinking 36 US ships and damaging 368 others. The war concluded with atomic bombings of on August 6 and on August 9, 1945, causing 129,000–226,000 deaths, mostly civilians, prompting Emperor Hirohito's surrender announcement on August 15. military deaths in the PTO totaled 111,606 killed or missing, with overall casualties exceeding 500,000; Japanese combatant losses reached 2.1 million, amid a broader toll of 25 million dead, including millions of Chinese civilians from Japanese atrocities. These outcomes validated Allied naval-industrial superiority and the necessity of to dismantle Japan's militarist regime, though at the cost of prolonged attrition against an enemy unwilling to yield.

Government and Law

Patent and Trademark Office

The and Office (USPTO) is an agency of the Department of Commerce tasked with examining and granting patents for inventions, registering trademarks for goods and services, and providing advice on policy to the Secretary of Commerce, the , and administrative branches. Its origins date to the Patent Act of 1790, which empowered the Secretary of , Secretary of War, and to review and issue patents on inventions useful to the public; this evolved into a dedicated office with the Patent Act of 1836, establishing it as a distinct bureau within the Department of to centralize examination and record-keeping. Subsequent legislation reorganized it under the Department of the Interior in 1849 and the Department of Commerce and Labor in 1903, with its current placement confirmed by 35 U.S.C. § 1. Headquartered in Alexandria, Virginia, since 1969, the USPTO operates under the leadership of the Under Secretary of Commerce for Intellectual Property and Director, who oversees policy execution and adjudication through bodies like the Patent Trial and Appeal Board. The USPTO's patent functions involve rigorous substantive examination of applications by specialized examiners to assess novelty, non-obviousness over prior art, enablement, and utility, resulting in three categories: utility patents (for processes, machines, manufactures, or compositions), design patents (for ornamental designs), and plant patents (for asexually reproduced plants). Applications undergo classification, prior art searches, office actions for rejections or amendments, and potential appeals, with grants conferring 20-year exclusivity from filing for utility and plant patents (15 years for designs). Recent initiatives include AI-assisted prior art searches via the AI Search Automated Pilot Program to enhance efficiency, though human oversight remains central to determinations. For trademarks, the office evaluates applications under the Lanham Act for use in commerce, checking against descriptiveness, genericness, and likelihood of confusion via the Trademark Trial and Appeal Board, which handles oppositions and cancellations; successful registrations enter the Principal Register, providing nationwide presumptive rights against infringement for renewable 10-year terms. Operationally, the USPTO funds itself largely through user fees from filings, examinations, and maintenance, enabling independence from annual appropriations while supporting a focused on technical expertise. Audits by the Department of Commerce's Office of Inspector General have identified opportunities to refine internal controls, such as improving quality metrics and examination timeliness, with recommendations emphasizing better documentation and training to ensure consistent, evidence-based decisions free from undue external pressures. The agency also combats issues like fraudulent filings, terminating over 52,000 suspect applications in recent enforcement efforts, underscoring its role in maintaining system integrity against abuse.

Other Uses

Port Transportation Officer

The Port Transportation Officer (PTO) is a logistics role in the United States military, particularly within the Navy and Army transportation branches, tasked with coordinating the efficient movement of personnel, equipment, cargo, and supplies through seaports of embarkation (SPOE) and debarkation (SPOD) during deployments and sustainment operations. This position ensures seamless integration of surface transportation with broader deployment processes, including validation of unit deployment lists (UDL), load plans, and in-transit visibility requirements. Key responsibilities include providing movement coordination support in marshaling and staging areas, especially when Movement Control Teams (MCT) or Installation Transportation Offices (ITO) are unavailable, to facilitate the flow of units from ports to tactical assembly areas or final destinations. The PTO oversees documentation such as attaching DD Form 1387 (Transportation Control and Movement Document) to shipping containers for government , coordinates with Surface Deployment and Distribution Command (SDDC) representatives for port calls and inspections, and manages (MHE) to meet deployment timelines. In ports of debarkation, the role extends to planning onward movement, including convoy clearances, rail schedules, and liaison duties between seaport operators and installing forces under the Theater Sustainment Command (TSC). This function is critical in operations, as evidenced in deployment handbooks emphasizing PTO involvement in annual plan reviews, workshops, and support for Reserve Component units via installation agreements. Similar roles exist in civilian port authorities, such as at the Ports Authority, where PTOs handle analogous for commercial and government shipments, though contexts prioritize combat sustainment over routine trade.

Post-Transient Operation

Post-transient operation denotes the in dynamic systems, particularly in contexts, where initial transient disturbances—such as voltage fluctuations, mechanical shocks, or excursions—have dissipated, allowing the to reach a , quasi-steady-state . This period is critical for evaluating long-term , as it reveals whether the can sustain without further , overload, or following events like faults, load shifts, or startups. In electrical power systems, post-transient operation follows the of electromechanical oscillations after disturbances, with assessed by whether generators and transmission lines settle into acceptable operating points without cascading failures; for instance, analyses of incidents highlight altered power flows leading to overloads in this . Nuclear applies the term to fuel rod behavior after reactivity-initiated transients, where cladding integrity is monitored to prevent or delayed failures during subsequent steady power levels, as studied in simulations showing no reliability challenges post-thermal excursion absent pre-existing defects. The concept extends to mechanical systems, including diesel engines under biodiesel blends, where post-transient in-cylinder pressures and emissions stabilize after load transients, often revealing higher peak pressures with pure diesel compared to blends due to differences. In safety-related equipment qualification for nuclear facilities, components designated for long-duration post-transient operation must endure elevated temperatures and without cable or material failures, informing environmental testing protocols. Overall, analysis of this phase relies on simulations and empirical data to predict outcomes like oxidation or deviations in microgrids, emphasizing causal factors over initial transients.

References

  1. [1]
    PTO Definition & Meaning - Merriam-Webster
    1. paid time off 2. Parent-Teacher Organization 3. please turn over 4. power takeoff Examples of PTO in a Sentence The PTO is raising money for a new ...Missing: encyclopedia | Show results with:encyclopedia
  2. [2]
    https://www.dictionary.com/browse/pto
  3. [3]
    The Tortured History of Paid Leave in the United States
    May 7, 2014 · More than 100 years ago, in 1910 President William Taft proposed that every American worker needed 2 to 3 months of vacation. He said it was “in ...
  4. [4]
    Americans have been fighting for paid vacation for 100 years
    Aug 24, 2018 · President William Howard Taft proposed in 1910 that every American worker needed two to three months of vacation a year “in order to continue ...
  5. [5]
    Paid Time Off (PTO) Accrual | Guide for Employers - ADP
    PTO accrual means that employees must incrementally earn their time off before they can use it. This method can help employers manage costs.
  6. [6]
    Paid Time Off Greatly Reduces Employees' Odds of Quitting Their Jobs
    Mar 25, 2025 · Offering PTO reduces the likelihood of quitting by 35% overall, with a greater reduction for men (41%) than women (25%). However, PTO does not ...Missing: empirical data
  7. [7]
    The Case for Offering Paid Leave: Benefits to the Employer ... - NIH
    For example, Kim (2019) found for every 10 additional days of paid vacation leave, the odds of depression in women were 29% lower. Paid leave also has ...
  8. [8]
    The Pros and Cons of a Paid Time Off (PTO) Policy
    Aug 22, 2022 · Benefits of a Good PTO Policy​​ PTO gives the employer some control over unscheduled absences, a serious problem, and cost for many. Employees ...
  9. [9]
    Data Shows Nearly Half of Workers Don't Use All Their PTO
    Feb 24, 2025 · Recent studies show a significant number of workers are not utilizing their entitled paid time off (PTO), leaving valuable rest and recuperation time unused.
  10. [10]
    The Benefits and Drawbacks of a Paid Time Off Policy | SPARK Blog
    PTO simplifies tracking, offers flexibility, but may have financial impacts, require managing early use, and may cause resistance.
  11. [11]
    Unlimited Paid Time Off Policies: Unlocking the Best and ...
    Mar 24, 2022 · We think that empirical research is indispensable to reveal how UPTO can be implemented so as to benefit both employers and employees. We hope ...
  12. [12]
    Unlimited PTO pros and cons: Overview for employers and employees
    Sep 26, 2024 · Unlimited PTO allows employees to take as much time off as needed. Pros include attracting talent and improved work-life balance. Cons include ...
  13. [13]
    Paid leave in private industry over the past 20 years
    Aug 1, 2013 · Paid leave was the most prevalent employee benefit provided by employers in private industry throughout the United States in 2012.
  14. [14]
    Paid Time Off (PTO): Types & Policy Best Practices - Business.com
    Sep 10, 2025 · PTO is paid time off for sick, vacation, and personal time. A PTO policy defines how employees use this time, including rules and procedures.Pto Accrual Methods... · Legal Considerations For Pto... · Best Practices For Designing...
  15. [15]
    Paid Time Off: Definition and Comparison to Vacation Time - Indeed
    Jun 6, 2025 · Many people use the terms paid time off (PTO) and vacation time interchangeably, but they're distinct concepts.
  16. [16]
    [PDF] History of Paid Leave in the United States - U.S. Department of Labor
    Mar 1, 2024 · Paid leave began with state temporary disability programs in the 1940s. Later, states established paid family leave programs, and now 13 states ...
  17. [17]
    [PDF] 2025 EMPLOYEE BENEFITS SURVEY - SHRM
    As expected, average leave rises with tenure. For example, employees with 20 or more years of service receive more than twice as many annual PTO days (26 days) ...
  18. [18]
    2024 SHRM Employee Benefits Survey: Health and Flexible Work ...
    Jun 25, 2024 · As an example, the report found employers offer on average 12 Paid Vacation Leave days, 10 Paid Sick Leave days, and 20 Paid Time Off (PTO) days ...
  19. [19]
    Paid Time-Off Benefits Survey - SHRM
    Most surveyed organizations (56 percent) use a traditional PTO model with days allocated to specific categories (e.g., vacation, holiday, sick & personal leave) ...
  20. [20]
    Nearly Half of Employees Expect to Leave Vacation Time Unused
    Dec 16, 2024 · 48% of US workers say they do not expect to take all of their allotted vacation days by the end of the calendar year.
  21. [21]
    Another Big Employer Benefits Problem: Employees Not Taking ...
    Aug 2, 2024 · The 2024 SHRM Employee Benefits Survey, for ... The average U.S. employee holds nearly $2,953 worth of unused accrued vacation days.
  22. [22]
    Here's How Many Days Employees with Unlimited PTO Take - SHRM
    Oct 17, 2024 · On average, employees with unlimited time off policies take 16 days off per year, compared to the 14 days that employees with specific time off take.
  23. [23]
    Do Employees Really Take Time Off with Unlimited PTO?
    Jul 7, 2025 · Employees with unlimited PTO take less time off than with traditional PTO, averaging 13 days vs 15, due to ambiguity and fear of falling behind.Missing: criticisms | Show results with:criticisms
  24. [24]
    Importance of Time Away - Human Resources
    Research shows that using vacation time improves an employee's focus by 78 percent and alleviates burnout by 81 percent.
  25. [25]
    Does paid vacation leave protect against depression among ... - NIH
    Empirical studies have demonstrated linkages between vacation leave and lower levels of stress and exhaustion (11, 12) and higher levels of happiness (13).
  26. [26]
    Paid time off: the pros and cons of a PTO policy | Blog | PurelyHR
    Mar 4, 2022 · Pros of PTO include equality, privacy, and simplicity. Cons include potential mismanagement, no official vacation, and unused PTO burdens.
  27. [27]
    Unlimited PTO (Paid Time Off): Pros and Cons - Oggi Talent
    Feb 6, 2024 · Potential for Abuse and Reduced Productivity · Management and Tracking Challenges · Unequal Uptake and Favoritism · Cost Conundrum for Employers.Missing: criticisms | Show results with:criticisms
  28. [28]
    Paid Annual Leave Per Country: Global Guide - Deel
    Oct 8, 2025 · Annual leave varies by country; for example, EU countries have a minimum of 4 weeks, while Mexico has 6 days. This guide covers 76 countries.
  29. [29]
    Average Vacation Days by Country 2025 - World Population Review
    Sources indicate that employees in the country are entitled to 2.5 paid vacation days per month. This accumulates to 30 paid vacation days per year, with the ...
  30. [30]
    Average PTO Days by Country: How the US Stacks up - Justworks
    Dec 26, 2023 · In general, European countries (like France, Spain, and the United Kingdom) offer the most paid time off. Almost all countries in Europe offer ...How Many Vacation Days Is... · Encourages Work-Life Balance · Provide Sick Leave And Other...
  31. [31]
    PTO vs. PTA: Differences at a Glance
    Oct 18, 2021 · Approximately 60,000 PTOs in the United States. (Our estimate takes the 89,500 K-8 schools in the country and subtracts the 24,500 K-8 PTA units ...
  32. [32]
    What's the Difference Between PTA and PTO?
    Apr 10, 2024 · While organizational structure distinguishes PTO and PTA groups, the commitment of their leaders is the same: to support and improve their school communities.
  33. [33]
    What Does a Parent Teacher Association Do? | K-12 Schools
    May 23, 2023 · And while PTA stands for parent teacher association and PTO for parent teacher organization ... She has been involved in the PTO at her children's ...
  34. [34]
    PTO Today Spending Survey 2023: A Familiar Landscape
    Mar 7, 2024 · PTO spending and volunteerism have leveled out, with 50-83% of groups keeping spending the same. Average planned spending is $27,662, and 42% ...
  35. [35]
    30+ Most Profitable PTA & PTO Fundraising Ideas for Schools
    School auctions are the number one fundraising idea for PTAs and PTOs – and for good reason! Auctions are engaging, profitable, and provide friendly ...
  36. [36]
    How PTAs and PTOs Impact K-12 Education - AIM Insurance
    Feb 15, 2022 · Studies show that local school parent engagement via PTA works. They boost academic performance, improve student grades, and enhance social skills.
  37. [37]
    Understanding PTOs (Power Take-Offs) & Their Role in Heavy-Duty ...
    It defines “Power take-off (PTO)” as “a device that transfers an engine's mechanical power to another piece of equipment.” Typically, only a portion of the ...
  38. [38]
    Power Take Off (PTO) | All You Need to Know
    Jul 2, 2019 · Power take-offs allow mobile crushing plants, road milling machines, and other equipment to transfer engine power to perform primary and auxiliary functions.
  39. [39]
    Origins of the PTO - Successful Farming
    Oct 23, 2024 · Origins of the PTO ... In 1906, French manufacturer Albert Gougis built a tractor equipped with a power shaft for operating a McCormick binder.Missing: date | Show results with:date
  40. [40]
    13 amazing tractor innovations throughout history - AGDAILY
    Feb 6, 2024 · 3. The Power Take Off. In 1919, International Harvester invented the first commercial power takeoff (PTO), which was built into the 8-16 model. ...
  41. [41]
    Power take off (PTO) explained - Agriquip
    May 17, 2021 · By the time 1918 rolled around, the International Harvester Company (IHC) pioneered the release of PTO on a production tractor. After its ...Missing: date first
  42. [42]
    The Comprehensive Guide to Power Take-offs (PTOs)
    Jun 16, 2023 · There are six main types of PTOs, including transmission-mounted, engine-mounted, mechanically driven, hydraulically driven, clutch shift, and ...Missing: engineering | Show results with:engineering
  43. [43]
    Electrically propelled road vehicles — High power interface for ...
    High power interface for electric Power-Take-Off (ePTO) · Standard Details · Version History · Related Standards.
  44. [44]
    7 points to consider when choosing a power take-off - Bezares SA
    Feb 2, 2021 · When choosing a PTO, consider gearbox make/model, what it will move, power needed, rotation direction, required speed, and the type of actuator.
  45. [45]
    Power Take-Off (PTO) Safety - Penn State Extension
    Mar 13, 2023 · The Power Take-Off (PTO) shaft is an efficient means of transferring mechanical power between farm tractors and implements.
  46. [46]
    A Guide to PTO Systems
    Jan 3, 2025 · Power Take-Off (PTO) systems transfer power from engines to equipment, enhancing efficiency in tractors, trucks, and machinery.Types Of Pto Systems · Key Considerations When... · Best Practices For...
  47. [47]
    [PDF] POWER TAKE-OFF SYSTEMS
    Power take-offs (PTOs) are mechanical gearboxes that attach to apertures provided on truck transmissions and are used to transfer the power of the vehicle ...
  48. [48]
    Auxiliary Power Take-off Drives for Agricultural Tractors J717_201912
    30-day returnsThis SAE Standard establishes specifications for mid- and side-power take-off drives that will be helpful in designing implements.Missing: ISO | Show results with:ISO
  49. [49]
    ISO 5673-1:2005 - Agricultural tractors and machinery — Power take ...
    In stock 2–5 day deliveryISO 5673-1:2005 specifies the power take-off (PTO) drive shafts of a tractor or self-propelled machine used in agriculture and the power-input connection ...Missing: SAE | Show results with:SAE
  50. [50]
    ISO standards for PTOs | OEM Off-Highway
    ASABE adopted five ISO standards for front and rear PTO shafts, including standards for rear-mounted types 1, 2, and 3, and front-mounted equipment.
  51. [51]
    [PDF] Chelsea® Power Take-Off - Parker Hannifin
    Always match the Power Take-Offs specified output capabilities to the requirements of the equipment to be powered. ... SAE standard or non-standard ...
  52. [52]
    https://dictionary.cambridge.org/us/dictionary/english/pto
  53. [53]
    turn <over> - English - The Free Dictionary Language Forums
    Jan 4, 2020 · PTO is a written abbreviation for 'please turn over'. You write it at the bottom of a page to indicate that there is more writing on the other ...Missing: publishing | Show results with:publishing
  54. [54]
    The Encyclopedia Americana (1920)/Abbreviations - Wikisource
    Sep 24, 2022 · P. T. O.–Please turn over. P. W. P.–Past Worthy Patriarch. Pwt.–Pennyweight; pennyweights. Q.–Quadrigans, farthing; Quasi, as it were ...<|separator|>
  55. [55]
    Abbreviations and Signs.
    P.T.O., Please turn over. Pt. Point. Pub. Publisher. Pub. Doc. Public Documents. Q. Question. Q.B., Queen's Bench. Q.C., Queen's College, Queen's Council. Q.d. ...
  56. [56]
    A briefing on brevigraphs, those strange shapes in early printed texts
    Sep 14, 2021 · ... PTO” means “please turn over” and not “paid time off” when it's scribbled in the bottom right corner of a note). In other cases, the meaning ...Missing: publishing | Show results with:publishing
  57. [57]
    The Pacific Strategy, 1941-1944 | The National WWII Museum
    On December 7, 1941, Japan staged a surprise attack on Pearl Harbor, severely damaging the US Pacific Fleet. When Germany and Italy declared war on the United ...
  58. [58]
    Timeline of Pacific War - The History Place
    December 8, 1941 - U.S. and Britain declare war on Japan. Japanese land near Singapore and enter Thailand. December 9, 1941 - China declares war on Japan.
  59. [59]
    Organization and Command of the Pacific - Ibiblio
    Control over the theater as a whole was vested in the Joint Chiefs of Staff, which became in effect the directing headquarters for operations in the Pacific.
  60. [60]
    Major Battles of the Pacific Theater - World War II History
    Feb 11, 2025 · Battle of Leyte Gulf​​ Japan lost four carriers, three battleships, ten large cruisers, eleven destroyers, and 12,000 sailors and officers. In ...
  61. [61]
    Iwo Jima and Okinawa: Death at Japan's Doorstep
    Victory at Okinawa cost more than 49,000 American casualties, including about 12,000 deaths. Among the dead was the Tenth Army's commander, Lieutenant General ...Missing: major | Show results with:major
  62. [62]
    Japanese Casualties during the Pacific Theater of WW2
    Jun 13, 2022 · Japanese casualties in the Pacific Theater are estimated at 2.6 to 3.1 million, with 2.1 million combatant deaths. The atomic bombings caused ...<|separator|>
  63. [63]
    The Miraculous Deliverance From a Titanic Tragedy | New Orleans
    Aug 25, 2020 · A conservative accounting shows 25 million people died in the Asia Pacific War. About six million were combatants, mostly Chinese and Japanese.
  64. [64]
    About Us - USPTO
    Jan 20, 2025 · The USPTO is the federal agency that grants patents, registers trademarks, and advises the Administration, through the Secretary of Commerce, on intellectual ...
  65. [65]
    35 U.S. Code § 1 - Establishment - Law.Cornell.Edu
    The United States Patent and Trademark Office is established as an agency of the United States, within the Department of Commerce.
  66. [66]
    Records of the Patent and Trademark office - National Archives
    By the Patent Act of 1836 (5 Stat. 117), July 4, 1836, Patent Office established as a separate organization within the Department of State, with a Commissioner ...
  67. [67]
    United States Patent and Trademark Office - AllGov - Departments
    United States Patent and Trademark Office (USPTO) history spans more than 200 years. In 1790, President George Washington established the first Patent Act, ...<|separator|>
  68. [68]
    Patents
    ### Summary of USPTO Patents Content
  69. [69]
    Trademarks
    ### Summary of Trademark Information from USPTO.gov
  70. [70]
    [PDF] USPTO Has Opportunities to Improve its Patent Examination ...
    Dec 2, 2021 · USPTO's quality review practices may not provide an accurate measure of patent examination quality (Section 2.2). USPTO does not meet all the ...Missing: controversies | Show results with:controversies
  71. [71]
    [PDF] USPTO Has Opportunities to Improve Its Internal Controls and ...
    Jul 6, 2021 · States Patent and Trademark Office (USPTO) include: (a) ensuring a thorough, timely, and fair patent examination and review process; and (b) ...Missing: controversies criticisms
  72. [72]
    PTO - Port Transportation Officer (US Navy) | AcronymFinder
    PTO stands for Port Transportation Officer (US Navy). Suggest new definition. This definition appears somewhat frequently and is found in the following ...
  73. [73]
    [PDF] No. 25-08, Deployment Handbook - Army.mil
    Apr 14, 2025 · Coordinate with the MCT, ITO/TMO or port transportation officer for movement coordination support. Table 5-2. Sample Checklist for Support ...
  74. [74]
    CHAPTER 5 - GlobalSecurity.org
    If there is no MCT or ITO element in the marshaling area, the port transportation officer must provide the movement coordination support. Unit Responsibilities ...
  75. [75]
    Part 552 - Solicitation Provisions and Contract Clauses
    (1) Two copies of the DD Form 1387 will be attached to each shipping container delivered to the port Transportation Officer for subsequent transshipment by the ...
  76. [76]
    Ulyustafa Warren - Port Security Officer at Georgia Port Authority ...
    Experience. Port Transportation Officer. Georgia Port authority. May 2020 - Present 5 years 6 months. Savannah, Georgia, United States. Education. University of ...<|separator|>
  77. [77]
    [PPT] Instructions - ERCOT.com
    Jan 22, 2010 · Assuming there is no angular separation, the system then attempts to settle around a new operating point. If in the post-transient operation, a ...
  78. [78]
    Analysis of cladding failure in a BWR fuel rod using a SLICE-DO ...
    This suggests that neither the thermal transient, nor the post-transient operation could challenge reliability of the two rods of interest in case of absent ...
  79. [79]
    A SURVEY OF POTENTIAL LIGHT WATER REACTOR FUEL ROD ...
    the effects of post-transient operation should be studied. 1. | ! 4.3 POWER COOLANT MISMATCH (PCM). ) A series of power coolant mismatch experiments have been ...
  80. [80]
    Effect of Biodiesel Blends on the Transient Performance of ... - MDPI
    In post-transient operation, however, fuelled using diesel, the engine produced a higher in-cylinder pressure than with the 100 B fuel. In the transient ...
  81. [81]
    [PDF] Literature Review of Environmental Qualification of Safety-Related ...
    some equipment has been designated for long duration post-transient operation. Since almost all safety- related equipment would require cables for post ...Missing: PTO | Show results with:PTO
  82. [82]
    [PDF] Resilient Operation of Microgrids: Optimisation Models for Steady ...
    ... post-transient operation regions i.e., PFC, SFC and TFC, smaller deviations exist between the measured frequency at the device terminal and the nominal ...Missing: PTO | Show results with:PTO