Patent US5977567A successfully refreshed from Google Patents.
Patent US3121373A successfully refreshed from Google Patents.
US3121373A
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Fluid motor and adjustable biasing means
Assignee: Motors Liquidation Co
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Filing: 1961-09-07
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Granted: 1964-02-18
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Expires: 1981-09-07
Abstract
No abstract record available.
Inventors
- 👤 John M Murphy
- 👤 Raymond F Schultz
- 👤 Earl S Schlotterbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:05
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/20; F25B41/22; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7837; Y10T137/7904; Y10T137/7905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN COMBINATION, A FLUID MOTOR, FIRST SPRING MEANS CONTINUOUSLY ACTING UPON SAID FLUID MOTOR, MEANS FOR ADJUSTING SAID FIRST SPRING MEANS, A SECOND SPRING MEANS POSITIONED FOR ACTING UPON SAID FLUID MOTOR, A LEVER HAVING MEANS EFFECTIVE IN ONE POSITION FOR APPLYING FORCE TO SAID SECOND SPRING MEANS TO CAUSE SAID SECOND SPRING MEANS TO ACT UPON AND APPLY FORCE TO SAID FLUID MOTOR AND EFFECTIVE IN A SECOND POSITION TO REMOVE A MAJOR PORTION OF THE FORCE FROM SAID SECOND SPRING MEANS, TOGGLE OVER CENTER SPRING MEANS OPERABLY CONNECTED TO SAID LEVER AND ORIENTED TO PROVIDE SUBSTANTIALLY A DEAD CENTER POSITION IN SAID SECOND POSITION AND IN SAID FIRST POSITION TO APPLY A SPRING FORCE TO SAID LEVER OPPOSING THE FORCE OF THE SECOND SPRING MEANS UPON THE LEVER, MEANS FOR STOPPING SAID LEVER SUBSTANTIALLY IN SAID SECOND POSITION, AND MEANS FOR OPERATING SAID LEVER INDEPENDENTLY OF SAID FLUID MOTOR.
Claim 2
Dependent Claim
151 words
IN COMBINATION, A FLUID MOTOR, FIRST SPRING MEANS CONTINUOUSLY ACTING UPON SAID FLUID MOTOR, MEANS FOR ADJUSTING SAID FIRST SPRING MEANS, A SECOND SPRING MEANS POSITIONED FOR ACTING UPON SAID FLUID MOTOR, A LEVER HAVING MEANS EFFECTIVE IN ONE POSITION FOR APPLYING FORCE TO SAID SECOND SPRING MEANS TO CAUSE SAID SECOND SPRING MEANS TO ACT UPON AND APPLY FORCE TO SAID FLUID MOTOR AND EFFECTIVE IN A SECOND POSITION TO REMOVE A MAJOR PORTION OF THE FORCE FROM SAID SECOND SPRING MEANS, TOGGLE OVER CENTER SPRING MEANS OPERABLY CONNECTED TO SAID LEVER AND ORIENTED TO PROVIDE SUBSTANTIALLY A DEAD CENTER POSITION IN SAID SECOND POSITION AND IN SAID FIRST POSITION TO APPLY A SPRING FORCE TO SAID LEVER OPPOSING THE FORCE OF THE SECOND SPRING MEANS UPON THE LEVER, MEANS FOR STOPPING SAID LEVER SUBSTANTIALLY IN SAID SECOND POSITION, AND MEANS FOR OPERATING SAID LEVER INDEPENDENTLY OF SAID FLUID MOTOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |