Patent US3131604A successfully refreshed from Google Patents.
US3131604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motor or pump
Assignee: Individual
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Filing: 1962-04-13
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Granted: 1964-05-05
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Expires: 1982-04-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Elias Orshansky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:00
CPC Classifications
F; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0447; F03C1/0457; F01; F01B; F01B1/00; F01B1/06; F01B1/0603; F01B1/0606; F01B1/061; F01B1/0613; F01B1/0641; F01B1/0668; F01B1/0675; F01B1/0686; F01B1/0696; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A FLUID-OPERATED DEVICE WHEREIN A FORCE IS TRANSMITTED BETWEEN A PISTON AND A CAM, THE IMPROVEMENT COMPRISING A FIRST PIVOTED LEVER ARM TRANSMITTING MOTION TO AND FROM THE PISTON TO A SECOND PIVOTED LEVER ARM, SAID FIRST PIVOTED LEVER ARM PREVENTING SIDE THRUST ON THE PISTON AND SAID SECOND PIVOTED LEVER ARM TRANSMITTING MOTION TO AND FROM THE CAM AND MEANS FOR ADJUSTING THE SECOND PIVOTED LEVER ARM WHEREBY THE MECHANICAL ADVANTAGE BETWEEN THE PISTON AND THE CAM CAN BE VARIED.
Claim 2
Dependent Claim
82 words
IN A FLUID-OPERATED DEVICE WHEREIN A FORCE IS TRANSMITTED BETWEEN A PISTON AND A CAM, THE IMPROVEMENT COMPRISING A FIRST PIVOTED LEVER ARM TRANSMITTING MOTION TO AND FROM THE PISTON TO A SECOND PIVOTED LEVER ARM, SAID FIRST PIVOTED LEVER ARM PREVENTING SIDE THRUST ON THE PISTON AND SAID SECOND PIVOTED LEVER ARM TRANSMITTING MOTION TO AND FROM THE CAM AND MEANS FOR ADJUSTING THE SECOND PIVOTED LEVER ARM WHEREBY THE MECHANICAL ADVANTAGE BETWEEN THE PISTON AND THE CAM CAN BE VARIED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |