US3610071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Motors Liquidation Co
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Filing: 1970-05-06
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Granted: 1971-10-05
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Expires: 1990-05-06
Abstract
Abstract D R A W I N G A TRANSMISSION HAVING FOUR PLANETARY GEAR SETS AND SIX FRICTION DRIVE ESTABLISHING DEVICES COMBINED TO PROVIDE AT LEAST FIVE FORWARD SPEED RANGE DRIVES AND A REVERSE DRIVE WITH THE LOWEST FORWARD SPEED RANGE DRIVE BEING PROVIDED BY ONLY ONE OF THE GEAR SETS AND THE REMAINING FORWARD DRIVES PROVIDED BY THIS ONE GEAR SET COMBINING INPUT DRIVE WITH FOUR DIFFERENT SPEED RATIO DRIVES FROM THE REMAINING GEAR SETS. SEQUENTIAL UPSHIFTING AND DOWNSHIFTING IS PROVIDED BY RELEASING ONLY FRICTION DRIVE ESTABLISHING DEVICE AND ENGAGING ONLY ONE OTHER FRICTION DRIVE ESTABLISHING DEVICE.
Inventors
- 👤 Robert M Tuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:34
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H2200/00; F16H2200/003; F16H2200/0047; F16H2200/20; F16H2200/2002; F16H2200/2012; F16H2200/203; F16H2200/2046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |