Patent US3338360A successfully refreshed from Google Patents.
US3338360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure responsive clutch exhaust valve
Assignee: Motors Liquidation Co
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Filing: 1965-04-01
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Granted: 1967-08-29
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Expires: 1985-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jack T Cornillaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:24
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A HYDRAULICALLY ACTUATED CLUTCH, A ROTATABLE HOUSING, CLUTCH ELEMENTS ADAPTED TO BE ENGAGED AND RELEASED DISPOSED IN SAID HOUSING, A CHAMBER IN SAID HOUSING ADAPTED TO RECEIVE FLUID UNDER PRESSURE, FLUID PRESSURE RESPONSIVE MEANS IN SAID CHAMBER FOR ENGAGING SAID CLUTCH ELEMENTS IN RESPONSE TO FLUID PRESSURE SUPPLIED TO SAID CHAMBER, A FLUID PRESSURE SOURCE, A VALVE BODY CARRIED BY SAID HOUSING AND DISPOSED ADJACENT SAID CHAMBER, A VALVE IN SAID VALVE BODY AXIALLY MOVABLE WITH RESPECT TO SAID VALVE BODY, A FIRST EXHAUST PORT IN SAID VALVE BODY ADAPTED TO BE CONTROLLED BY SAID VALVE, A SECOND RESTRICTED EXHAUST PORT IN SAID VALVE BODY, SAID VALVE BEING RESPONSIVE TO FLUID PRESSURE IN SAID CHAMBER TO CONNECT SAID CHAMBER TO EXHAUST THROUGH SAID FIRST EXHAUST PORT, MEANS FORMING A SECOND CHAMBER IN SAID VALVE BODY ADAPTED TO RECEIVE FLUID UNDER PRESSURE, A FLUID PRESSURE SOURCE, PASSAGE MEANS CONNECTING BOTH OF SAID CHAMBERS TO SAID SOURCE,
Claim 2
Dependent Claim
156 words
IN A HYDRAULICALLY ACTUATED CLUTCH, A ROTATABLE HOUSING, CLUTCH ELEMENTS ADAPTED TO BE ENGAGED AND RELEASED DISPOSED IN SAID HOUSING, A CHAMBER IN SAID HOUSING ADAPTED TO RECEIVE FLUID UNDER PRESSURE, FLUID PRESSURE RESPONSIVE MEANS IN SAID CHAMBER FOR ENGAGING SAID CLUTCH ELEMENTS IN RESPONSE TO FLUID PRESSURE SUPPLIED TO SAID CHAMBER, A FLUID PRESSURE SOURCE, A VALVE BODY CARRIED BY SAID HOUSING AND DISPOSED ADJACENT SAID CHAMBER, A VALVE IN SAID VALVE BODY AXIALLY MOVABLE WITH RESPECT TO SAID VALVE BODY, A FIRST EXHAUST PORT IN SAID VALVE BODY ADAPTED TO BE CONTROLLED BY SAID VALVE, A SECOND RESTRICTED EXHAUST PORT IN SAID VALVE BODY, SAID VALVE BEING RESPONSIVE TO FLUID PRESSURE IN SAID CHAMBER TO CONNECT SAID CHAMBER TO EXHAUST THROUGH SAID FIRST EXHAUST PORT, MEANS FORMING A SECOND CHAMBER IN SAID VALVE BODY ADAPTED TO RECEIVE FLUID UNDER PRESSURE, A FLUID PRESSURE SOURCE, PASSAGE MEANS CONNECTING BOTH OF SAID CHAMBERS TO SAID SOURCE,
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |