US3401581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Motors Liquidation Co
•
Filing: 1964-06-18
•
Granted: 1968-09-17
•
Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 Howard E Chana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:09
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H61/00; F16H61/04; F16H61/06; F16H61/065; F16H61/067; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A TRANSMISSION FOR DRIVING AN OUTPUT SHAFT AND FOR BEING DRIVEN BY AN ENGINE PROVIDED WITH MEANS FOR GENERATING A PRESSURE WHICH IS MEASURED BY THE TORQUE DEMAND ON THE ENGINE, THE COMBINATION OF MEANS FOR GENERATING A PRESSURE MEASURED BY THE SPEED OF ROTATION OF THE OUTPUT SHAFT, A TORQUE ESTABLISHING DEVICE, A FIRST FLUID PRESSURE CHAMBER FOR SELECTIVELY ENGAGING AND DISENGAGING THE TORQUE ESTABLISHING DEVICE, MEANS FOR CONDUCTING PRESSURE FLUID TO AND FROM THE FIRST CHAMBER, AN EXPANSIBLE VOLUME ACCUMULATOR CHAMBER FOR CONTROLLING THE RATE OF CHANGE OF PRESSURE IN THE FIRST CHAMBER, A THIRD FLUID PRESSURE CHAMBER FOR OPPOSING EXPANSION OF THE ACCUMULATOR, A NORMALLY CLOSED VALVE FOR SELECTIVELY EXCLUDING PRESSURE FLUID FROM OR ADMITTING IT TO THE THIRD FLUID PRESSURE CHAMBER TO SELECTIVELY PERMIT OR PRE-
Claim 2
Dependent Claim
131 words
IN A TRANSMISSION FOR DRIVING AN OUTPUT SHAFT AND FOR BEING DRIVEN BY AN ENGINE PROVIDED WITH MEANS FOR GENERATING A PRESSURE WHICH IS MEASURED BY THE TORQUE DEMAND ON THE ENGINE, THE COMBINATION OF MEANS FOR GENERATING A PRESSURE MEASURED BY THE SPEED OF ROTATION OF THE OUTPUT SHAFT, A TORQUE ESTABLISHING DEVICE, A FIRST FLUID PRESSURE CHAMBER FOR SELECTIVELY ENGAGING AND DISENGAGING THE TORQUE ESTABLISHING DEVICE, MEANS FOR CONDUCTING PRESSURE FLUID TO AND FROM THE FIRST CHAMBER, AN EXPANSIBLE VOLUME ACCUMULATOR CHAMBER FOR CONTROLLING THE RATE OF CHANGE OF PRESSURE IN THE FIRST CHAMBER, A THIRD FLUID PRESSURE CHAMBER FOR OPPOSING EXPANSION OF THE ACCUMULATOR, A NORMALLY CLOSED VALVE FOR SELECTIVELY EXCLUDING PRESSURE FLUID FROM OR ADMITTING IT TO THE THIRD FLUID PRESSURE CHAMBER TO SELECTIVELY PERMIT OR PRE-
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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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |