Patent US2195135A successfully refreshed from Google Patents.
Patent US3146630A successfully refreshed from Google Patents.
US3146630A
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Transmission mechanism
Assignee: Borg Warner Corp
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Filing: 1961-08-31
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Granted: 1964-09-01
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Expires: 1981-08-31
Abstract
No abstract record available.
Inventors
- 👤 John S Ivey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:51
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/70; F16H61/705; B; B60; B60R; B60R9/00; B60R9/08; B60R9/12; F16H47/00; F16H47/06; F16H47/08; F16H47/085; F16H61/12; F16H2061/1204; F16H2306/00; F16H2306/40; F16H2306/44; F16H2306/52; F16H61/16; F16H61/21; F16H61/68; F16H61/684; F16H61/686; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
IN A TRANSMISSION MECHANISM PROVIDING A PLURALITY OF DRIVING GEAR RATIOS, A PLURALITY OF HYDRAULICALLY OPERATED SERVOMOTORS CONNECTED TO SAID TRANSMISSION MECHANISM FOR COMPLETING ANY ONE OF SAID PLURALITY OF DRIVING GEAR RATIOS THROUGH THE TRANSMISSION, A SOURCE OF FLUID PRESSURE CONNECTED TO SUPPLY FLUID TO SAID SERVOMOTORS, A PRESSURE REGULATING VALVE INTERCONNECTED WITH SAID SOURCE AND EFFECTIVE TO REGULATE THE OUTPUT PRESSURE THEREFROM, A PLURALITY OF SHIFT VALVE MEANS CONNECTED TO DIRECT FLUID FROM SAID SOURCE TO VARIOUS ONES OF THE SERVOMOTORS FOR COMPLETING ONE OF THE DRIVING GEAR RATIOS THROUGH THE TRANSMISSION, AND HOLD VALVE MEANS HYDRAULICALLY INTERCONNECTED WITH SAID SHIFT VALVE MEANS AND WITH SAID PRESSURE REGULATING VALVE, A MANUALLY OPERATED
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |