US3090256A
Expired / Lapsed
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Assignee: Motors Liquidation Co
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Filing: 1961-08-30
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Granted: 1963-05-21
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Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Gilbert K Hause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:05
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
IN A MULTIPLE SPEED RATIO TRANSMISSION HAVING GEARING AND HAVING A FIRST FLUID ACTUATED FRICTION MEANS FOR ESTABLISHING ONE SPEED RATIO IN THE TRANSMISSION AND SECOND FLUID ACTUATED FRICTION MEANS FOR ESTABLISHING A DIFFERENT SPEED RATION IN THE TRANSMISSION, A HYDRAULIC CONTROL SYSTEM FOR SAID FLUID ACTUATED MEANS INCLUDING A SOURCE OF FLUID UNDER PRESSURE, RATIO SELECTION VALVE MEANS FOR AT TIMES DIRECTING FLUID UNDER PRESSURE TO SAID FIRST MEANS TO ESTABLISH SAID ONE SPEED RATIO AND FOR AT TIMES DIRECTING FLUID UNDER PRESSURE TO SAID SECOND MEANS TO ESTABLISH SAID DIFFERENT SPEED RATIO, AND TIMING VALVE MEANS BETWEEN SAID VALVE MEANS AND SAID FIRST MEANS FOR ALTERNATIVELY CONNECTING SAID FIRST MEANS TO SAID RATIO SELECTION VALVE MEANS FOR ENGAGING SAID FIRST MEANS OR TO EXHAUST FOR DISENGAGING SAID FIRST MEANS, SAID TIMING VALVE MEANS RESPONSIVE TO BOTH THE SPEED OF ROTATION OF AN ELEMENT OF THE TRANSMISSION AND TO THE PRESSURE ACTING ON SAID SECOND MEANS AND EFFECTIVE TO DELAY THE DISENGAGEMENT OF SAID FIRST DRIVE ESTABLISHING FRICTION MEANS UNTIL THE FLUID PRESSURE ACTING ON SAID SECOND DRIVE ESTABLISHING MEANS REACHES A PREDETERMINED VALUE DEPENDENT ON THE SPEED OF SAID TRANSMISSION ELEMENT.
Claim 2
Dependent Claim
193 words
IN A MULTIPLE SPEED RATIO TRANSMISSION HAVING GEARING AND HAVING A FIRST FLUID ACTUATED FRICTION MEANS FOR ESTABLISHING ONE SPEED RATIO IN THE TRANSMISSION AND SECOND FLUID ACTUATED FRICTION MEANS FOR ESTABLISHING A DIFFERENT SPEED RATION IN THE TRANSMISSION, A HYDRAULIC CONTROL SYSTEM FOR SAID FLUID ACTUATED MEANS INCLUDING A SOURCE OF FLUID UNDER PRESSURE, RATIO SELECTION VALVE MEANS FOR AT TIMES DIRECTING FLUID UNDER PRESSURE TO SAID FIRST MEANS TO ESTABLISH SAID ONE SPEED RATIO AND FOR AT TIMES DIRECTING FLUID UNDER PRESSURE TO SAID SECOND MEANS TO ESTABLISH SAID DIFFERENT SPEED RATIO, AND TIMING VALVE MEANS BETWEEN SAID VALVE MEANS AND SAID FIRST MEANS FOR ALTERNATIVELY CONNECTING SAID FIRST MEANS TO SAID RATIO SELECTION VALVE MEANS FOR ENGAGING SAID FIRST MEANS OR TO EXHAUST FOR DISENGAGING SAID FIRST MEANS, SAID TIMING VALVE MEANS RESPONSIVE TO BOTH THE SPEED OF ROTATION OF AN ELEMENT OF THE TRANSMISSION AND TO THE PRESSURE ACTING ON SAID SECOND MEANS AND EFFECTIVE TO DELAY THE DISENGAGEMENT OF SAID FIRST DRIVE ESTABLISHING FRICTION MEANS UNTIL THE FLUID PRESSURE ACTING ON SAID SECOND DRIVE ESTABLISHING MEANS REACHES A PREDETERMINED VALUE DEPENDENT ON THE SPEED OF SAID TRANSMISSION ELEMENT.
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |