Patent US3277910A successfully refreshed from Google Patents.
US3277910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Governors for automatic transmissions
Assignee: Motors Liquidation Co
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Filing: 1962-07-31
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Granted: 1966-10-11
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Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Forrest R Cheek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:39
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/363; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1098; Y10T137/1135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A GOVERNOR FOR A HYDRAULICALLY CONTROLLED TRANSMISSION, SAID GOVERNOR COMPRISING A BODY ROTATED BY SAID TRANSMISSION, FIRST AND SECOND METERING VALVES MOUNTED IN SAID BODY FOR REVOLUTION ABOUT THE AXIS OF ROTATION OF SAID BODY, SAID METERING VALVES HAVING INLETS AND OUTLETS FOR LIQUID, THE FIRST OF SAID METERING VALVES HAVING A GREATER MASS SUBJECT TO CENTRIFUGAL FORCE THAN THE SECOND OF SAID METERING VALVES, A SOURCE OF LIQUID UNDER PRESSURE, A CONNECTION BETWEEN SAID SOURCE AND THE INLET OF THE FIRST OF SAID METERING VALVES, THE OUTPUT OF SAID FIRST VALVE VARYING IN PRESSURE WITH THE SPEED OF ROTATION OF SAID BODY, AND A CONNECTION BETWEEN THE OUTPUT OF SAID FIRST VALVE AND THE INLET OF SAID SECOND VALVE, THE PRESSURE OF THE OUTPUT OF SAID SECOND VALVE VARYING IN ACCORDANCE WITH
Claim 2
Dependent Claim
133 words
A GOVERNOR FOR A HYDRAULICALLY CONTROLLED TRANSMISSION, SAID GOVERNOR COMPRISING A BODY ROTATED BY SAID TRANSMISSION, FIRST AND SECOND METERING VALVES MOUNTED IN SAID BODY FOR REVOLUTION ABOUT THE AXIS OF ROTATION OF SAID BODY, SAID METERING VALVES HAVING INLETS AND OUTLETS FOR LIQUID, THE FIRST OF SAID METERING VALVES HAVING A GREATER MASS SUBJECT TO CENTRIFUGAL FORCE THAN THE SECOND OF SAID METERING VALVES, A SOURCE OF LIQUID UNDER PRESSURE, A CONNECTION BETWEEN SAID SOURCE AND THE INLET OF THE FIRST OF SAID METERING VALVES, THE OUTPUT OF SAID FIRST VALVE VARYING IN PRESSURE WITH THE SPEED OF ROTATION OF SAID BODY, AND A CONNECTION BETWEEN THE OUTPUT OF SAID FIRST VALVE AND THE INLET OF SAID SECOND VALVE, THE PRESSURE OF THE OUTPUT OF SAID SECOND VALVE VARYING IN ACCORDANCE WITH
References Cited (Backward Citations)
US2204872A
Cited
US2738650A
Cited
US2911987A
Cited
US2711749A
Cited
US2889844A
Cited
GB790618A
Cited
US3086541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |