Patent US3171433A successfully refreshed from Google Patents.
US3171433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle valves for automatic transmissions
Assignee: Motors Liquidation Co
•
Filing: 1962-07-31
•
Granted: 1965-03-02
•
Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Jr August H Borman
- 👤 Forrest R Cheek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:23
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H61/0276; F16H61/029; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/8593; Y10T137/85978; Y10T137/86035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A TRANSMISSION FOR A THROTTLE CONTROLLED ENGINE, A PUMP FOR SUPPLYING FLUID UNDER PRESSURE, THROTTLE VALVE MEANS CONNECTED TO SAID PUMP AND ADAPTED TO REGULATE PRESSURE IN ACCORDANCE WITH MANUALLY DETERMINED THROTTLE POSITION, SAID THROTTLE VALVE MEANS INCLUDING A MOVABLE VALVE MEMBER, A MANUALLY MOVABLE CONTROL MEMBER AND A SPRING INTERPOSED BETWEEN SAID MEMBERS FOR TRANSMITTING FORCE BETWEEN SAID MEMBERS, FIRST FLUID PRESSURE RESPONSIVE MEANS ON SAID VALVE MEMBER CONNECTED TO PRESSURE DELIVERED BY SAID VALVE MEMBER AND EFFECTIVE TO APPLY A THRUST TO SAID VALVE MEMBER TENDING TO MOVE SAID VALVE MEMBER IN ONE DIRECTION, SECOND FLUID PRESSURE RESPONSIVE MEANS ASSOCIATED WITH SAID MANUALLY MOVABLE CONTROL MEMBER CONNECTED TO PRESSURE DELIVERED BY SAID VALVE MEMBER AND EFFECTIVE TO APPLY A THRUST TO SAID MANUALLY MOVABLE CONTROL MEMBER TENDING TO MOVE SAID CONTROL MEMBER IN A DIRECTION OPPOSITE TO SAID ONE DIRECTION, THE THRUST APPLIED
Claim 2
Dependent Claim
146 words
IN A TRANSMISSION FOR A THROTTLE CONTROLLED ENGINE, A PUMP FOR SUPPLYING FLUID UNDER PRESSURE, THROTTLE VALVE MEANS CONNECTED TO SAID PUMP AND ADAPTED TO REGULATE PRESSURE IN ACCORDANCE WITH MANUALLY DETERMINED THROTTLE POSITION, SAID THROTTLE VALVE MEANS INCLUDING A MOVABLE VALVE MEMBER, A MANUALLY MOVABLE CONTROL MEMBER AND A SPRING INTERPOSED BETWEEN SAID MEMBERS FOR TRANSMITTING FORCE BETWEEN SAID MEMBERS, FIRST FLUID PRESSURE RESPONSIVE MEANS ON SAID VALVE MEMBER CONNECTED TO PRESSURE DELIVERED BY SAID VALVE MEMBER AND EFFECTIVE TO APPLY A THRUST TO SAID VALVE MEMBER TENDING TO MOVE SAID VALVE MEMBER IN ONE DIRECTION, SECOND FLUID PRESSURE RESPONSIVE MEANS ASSOCIATED WITH SAID MANUALLY MOVABLE CONTROL MEMBER CONNECTED TO PRESSURE DELIVERED BY SAID VALVE MEMBER AND EFFECTIVE TO APPLY A THRUST TO SAID MANUALLY MOVABLE CONTROL MEMBER TENDING TO MOVE SAID CONTROL MEMBER IN A DIRECTION OPPOSITE TO SAID ONE DIRECTION, THE THRUST APPLIED
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |