Patent US3225619A successfully refreshed from Google Patents.
US3225619A
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Transmission control system
Assignee: Motors Liquidation Co
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Filing: 1962-12-03
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Granted: 1965-12-28
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Robert H Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:08
CPC Classifications
F; F16; F16H; F16H59/00; F16H59/14; F16H59/18; Y; Y10; Y10S; Y10S74/00; Y10S74/02; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/7722; Y10T137/7781; Y10T137/7782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A TRANSMISSION CONTROL SYSTEM FOR AN ENGINE DRIVEN VEHICLE, THE COMBINATION OF A PRESSURE FLUID RESPONSIVE DEVICE FOR CONTROLLING THE TRANSMISSION, A SOURCE OF PRESSURE FLUID FOR THE DEVICE, MEANS REGULATING THE FLUID PRESSURE SUPPLIED TO THE DEVICE, ELECTRICALLY OPERATED MEANS FOR CONTROLLING THE PRESSURE REGULATING THE FLUID TRICALLY OPERATED MEANS INCLUDING A SOURCE OF ELECTRICAL ENERGY AND A MANUALLY OPERATED CONTROL FOR VARYING THE ELECTRICAL ENERGY IN ACCORDANCE WITH ENGINE TORQUE DEMAND
Claim 2
Dependent Claim
74 words
IN A TRANSMISSION CONTROL SYSTEM FOR AN ENGINE DRIVEN VEHICLE, THE COMBINATION OF A PRESSURE FLUID RESPONSIVE DEVICE FOR CONTROLLING THE TRANSMISSION, A SOURCE OF PRESSURE FLUID FOR THE DEVICE, MEANS REGULATING THE FLUID PRESSURE SUPPLIED TO THE DEVICE, ELECTRICALLY OPERATED MEANS FOR CONTROLLING THE PRESSURE REGULATING THE FLUID TRICALLY OPERATED MEANS INCLUDING A SOURCE OF ELECTRICAL ENERGY AND A MANUALLY OPERATED CONTROL FOR VARYING THE ELECTRICAL ENERGY IN ACCORDANCE WITH ENGINE TORQUE DEMAND
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |