Patent US3360933A successfully refreshed from Google Patents.
US3360933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic system charging and by-pass valve means
Assignee: International Motors LLC
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Filing: 1966-05-02
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Granted: 1968-01-02
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 William C Swanson
- 👤 John S Lam
- 👤 Donald W Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:42
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/4043; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86171
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN A VEHICLE HAVING AN ENGINE AND TRACTION WHEELS WITH A HYDRAULIC TRANSMISSION OPERATIVELY CONNECTED THEREBETWEEN INCLUDING A PUMP AND MOTOR, FIRST CONDUIT MEANS CONNECTING THE PUMP OUTLET WITH THE MOTOR INLET AND SECOND CONDUIT MEANS CONNECTING THE MOTOR OUTLET WITH THE PUMP INLET SO THAT THE PUMP SUPPLIES FLUID UNDER PRESSURE TO DRIVE THE MOTOR, AND A VARIABLE ANGLE SWASH PLATE MECHANISM IN THE PUMP OPERABLE FOR VARYING THE TRANSMISSION RATIO OF THE TRANSMISSION AND FOR CONTROLLING DIRECTION OF FLUID FLOW BETWEEN PUMP AND MOTOR ACCORDING TO DESIRED VEHICLE MOVEMENT, AND A FLUID CHARGE PUMP DRIVEN BY THE ENGINE AND COMMUNICATIVELY CONNECTED TO A FLUID SOURCE, THE COMBINATION THEREWITH OF, VALVING MEANS COMMUNICATIVELY INTERCONNECTABLE BETWEEN SAID CHARGE PUMP AND THE FIRST AND SECOND CONDUIT MEANS INTERCONNECTING SAID PUMP AND MOTOR AND OPERABLE IN ONE POSITION FOR PORTING FLUID FLOW FROM SAID CHARGE PUMP SELECTIVELY TO THE FIRST AND SECOND OF SAID CONDUIT MEANS, AND IN ANOTHER POSITION FOR BY-PASSING FLUID BETWEEN THE SAID FIRST AND SECOND CONDUIT MEANS.
Claim 2
Dependent Claim
169 words
IN A VEHICLE HAVING AN ENGINE AND TRACTION WHEELS WITH A HYDRAULIC TRANSMISSION OPERATIVELY CONNECTED THEREBETWEEN INCLUDING A PUMP AND MOTOR, FIRST CONDUIT MEANS CONNECTING THE PUMP OUTLET WITH THE MOTOR INLET AND SECOND CONDUIT MEANS CONNECTING THE MOTOR OUTLET WITH THE PUMP INLET SO THAT THE PUMP SUPPLIES FLUID UNDER PRESSURE TO DRIVE THE MOTOR, AND A VARIABLE ANGLE SWASH PLATE MECHANISM IN THE PUMP OPERABLE FOR VARYING THE TRANSMISSION RATIO OF THE TRANSMISSION AND FOR CONTROLLING DIRECTION OF FLUID FLOW BETWEEN PUMP AND MOTOR ACCORDING TO DESIRED VEHICLE MOVEMENT, AND A FLUID CHARGE PUMP DRIVEN BY THE ENGINE AND COMMUNICATIVELY CONNECTED TO A FLUID SOURCE, THE COMBINATION THEREWITH OF, VALVING MEANS COMMUNICATIVELY INTERCONNECTABLE BETWEEN SAID CHARGE PUMP AND THE FIRST AND SECOND CONDUIT MEANS INTERCONNECTING SAID PUMP AND MOTOR AND OPERABLE IN ONE POSITION FOR PORTING FLUID FLOW FROM SAID CHARGE PUMP SELECTIVELY TO THE FIRST AND SECOND OF SAID CONDUIT MEANS, AND IN ANOTHER POSITION FOR BY-PASSING FLUID BETWEEN THE SAID FIRST AND SECOND CONDUIT MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |