US3357362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic power unit
Assignee: Allis Chalmers Corp
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Filing: 1966-06-17
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Granted: 1967-12-12
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Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Bobby J Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:52
CPC Classifications
F; F01; F01B; F01B1/00; F01B1/06; F01B1/0675; F01B1/0686; F01B1/0689; F01B13/00; F01B13/04; F01B13/06; F01B13/061; F01B13/063; F01B13/065; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435; F03C1/0444
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN A HYDROSTATIC POWER UNIT OF THE TYPE HAVING A HOUSING, A PAIR OF RADIAL PISTON BLOCKS WITHIN THE HOUSING, A SHAFT EXTENDING THROUGH THE BLOCKS AND SECURED THERETO FOR ROTATION THEREWITH AND FOR AXIAL SHIFTING MOVEMENT RELATIVE THERETO AND TO EACH OTHER, HIGH AND LOW PRESSURE PASSAGES FOR CONVEYING FLUID TO AND FROM EACH OF THE BLOCKS AND COOPERATING AXIAL CONTACT ANNULAR SEALING SURFACES ON THE HOUSING AND AXIALLY REMOTE SIDES OF THE BLOCKS, THE IMPROVEMENT COMPRISING:
Claim 2
Dependent Claim
78 words
IN A HYDROSTATIC POWER UNIT OF THE TYPE HAVING A HOUSING, A PAIR OF RADIAL PISTON BLOCKS WITHIN THE HOUSING, A SHAFT EXTENDING THROUGH THE BLOCKS AND SECURED THERETO FOR ROTATION THEREWITH AND FOR AXIAL SHIFTING MOVEMENT RELATIVE THERETO AND TO EACH OTHER, HIGH AND LOW PRESSURE PASSAGES FOR CONVEYING FLUID TO AND FROM EACH OF THE BLOCKS AND COOPERATING AXIAL CONTACT ANNULAR SEALING SURFACES ON THE HOUSING AND AXIALLY REMOTE SIDES OF THE BLOCKS, THE IMPROVEMENT COMPRISING:
References Cited (Backward Citations)
US3068805A
Cited
US3010405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |