Patent EP0298235B1 successfully refreshed from Google Patents.
US3104746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission clutch control and pump drive mechanism
Assignee: —
•
Filing: —
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Granted: 1963-09-24
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Expires: 1980-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:34
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/12; F16D23/14; F16D23/148; F16D21/00; F16D21/02; F16D21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A TRANSMISSION OF THE TYPE HAVING A CLUTCH HOUSING AND HAVING AN ENGAGEABLE AND RELEASABLE CLUTCH DISPOSED IN SAID HOUSING LOCATED BETWEEN A POWER INPUT SHAFT AND A POWER DELIVERY SHAFT AND HAVING A CLUTCH CONTROL MEMBER ADAPTED TO BE ACTUATED TO CONTROL THE ENGAGEMENT AND RELEASE OF SAID CLUTCH, THE IMPROVEMENT WHICH COMPRISES A HYDRAULIC PUMP ADAPTED TO DELIVER HYDRAULIC FLUID UNDER PRESSURE, SAID PUMP INCLUDING A PUMP HOUSING DISPOSED WITHIN SAID CLUTCH HOUSING AND HAVING ROTATABLE PUMPING MEANS DISPOSED WITHIN SAID PUMP HOUSING, AND A DRIVE CONNECTION BETWEEN SAID ROTATABLE PUMPING MEANS AND SAID CLUTCH CONTROL MEMBER, SAID CLUTCH CONTROL MEMBER BEING EFFECTIVE TO DRIVE SAID ROTATABLE PUMPING MEANS IRRESPECTIVE OF THE CONDITION OF ENGAGEMENT OR RELEASE OF SAID CLUTCH.
Claim 2
Dependent Claim
123 words
IN A TRANSMISSION OF THE TYPE HAVING A CLUTCH HOUSING AND HAVING AN ENGAGEABLE AND RELEASABLE CLUTCH DISPOSED IN SAID HOUSING LOCATED BETWEEN A POWER INPUT SHAFT AND A POWER DELIVERY SHAFT AND HAVING A CLUTCH CONTROL MEMBER ADAPTED TO BE ACTUATED TO CONTROL THE ENGAGEMENT AND RELEASE OF SAID CLUTCH, THE IMPROVEMENT WHICH COMPRISES A HYDRAULIC PUMP ADAPTED TO DELIVER HYDRAULIC FLUID UNDER PRESSURE, SAID PUMP INCLUDING A PUMP HOUSING DISPOSED WITHIN SAID CLUTCH HOUSING AND HAVING ROTATABLE PUMPING MEANS DISPOSED WITHIN SAID PUMP HOUSING, AND A DRIVE CONNECTION BETWEEN SAID ROTATABLE PUMPING MEANS AND SAID CLUTCH CONTROL MEMBER, SAID CLUTCH CONTROL MEMBER BEING EFFECTIVE TO DRIVE SAID ROTATABLE PUMPING MEANS IRRESPECTIVE OF THE CONDITION OF ENGAGEMENT OR RELEASE OF SAID CLUTCH.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |