Plgi i pq
Abstract
Abstract WITH THE INLET SIDE OF THE FLOW-CONTROL PORTIONS OF THE VALVE ASSEMBLY AND THE OUTLET SIDE OF THE PRESSURE-RELIEF PORTIONS. A POSITIVE DISPLACEMENT PUMP ADAPTED ESPECIALLY FOR USE IN POWER STEERING SYSTEMS FOR AUTOMOTIVE VEHICLES COMPRISING A PUMP HOUSING, A PUMP CAM AND ROTOR ASSEMBLY RECEIVED WITHIN THE HOUSING, PORTED PRESSURE PLATES SITUATED ON OPPOSED SIDES OF THE CAM AND ROTOR ASSEMBLY, THE OUTERMOST PRESSURE PLATE BEING SECURED FAST TO THE HOUSING AND THE INNERMOST PRESSURE PLATE BEING URGED INTO SEALING ENGAGEMENT WITH THE CAM AND ROTOR ASSEMBLY AND COOPERATING WITH THE HOUSING TO DEFINE A HIGH PRESSURE REGION WHICH COMMUNICATES WITH A PRESSURE-RELIEF AND FLOW-CONTROL VALVE ASSEMBLY IN THE HOUSING AND A RESERVOIR SURROUNDING THE HOUSING AND COMMUNICATING
Inventors
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Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-30 | 1978-04-01 | 1978-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-30 | 1982-04-01 | 1982-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-30 | 1986-04-01 | 1986-10-01 | $7700.00 | Window Closed / Lapsed |