US3094078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching devices for hydraulic pumps and motors
Assignee: Automobiles Citroen SA
•
Filing: 1960-08-04
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Granted: 1963-06-18
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Expires: 1980-08-04
Abstract
No abstract record available.
Inventors
- 👤 Brueder Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:09
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0032; F01B3/0044; F01B3/0055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A HYDRAULIC MACHINE OPERATING AS A GENERATOR OR A RECEIVER OF THE TYPE COMPRISING A ROTATING BARREL FIXED ON A SHAFT, SPACED CYLINDERS PROVIDED IN SAID BARREL, A PISTON IN EACH CYLINDER, AND A DISTRIBUTOR HAVING HIGH AND LOW PRESSURE MANIFOLDS COOPERATING WITH THE CYLINDERS, AND CONNECTING SURFACES BETWEEN SAID HIGH AND LOW PRESSURE MANIFOLDS, THE COMBINATION WITH A RESONATOR AND A DUCT CONNECTING SAID RESOANTOR WITH SAID CONNECTING SURFACES TO PERMIT A GRADUAL CONNECTION OF THE PRESSURE WITH SAID CYLINDERS, AND MEANS FOR REGULATING THE FREQUENCY AT WHICH THE RESONATOR IS RESONANT.
Claim 2
Dependent Claim
94 words
IN A HYDRAULIC MACHINE OPERATING AS A GENERATOR OR A RECEIVER OF THE TYPE COMPRISING A ROTATING BARREL FIXED ON A SHAFT, SPACED CYLINDERS PROVIDED IN SAID BARREL, A PISTON IN EACH CYLINDER, AND A DISTRIBUTOR HAVING HIGH AND LOW PRESSURE MANIFOLDS COOPERATING WITH THE CYLINDERS, AND CONNECTING SURFACES BETWEEN SAID HIGH AND LOW PRESSURE MANIFOLDS, THE COMBINATION WITH A RESONATOR AND A DUCT CONNECTING SAID RESOANTOR WITH SAID CONNECTING SURFACES TO PERMIT A GRADUAL CONNECTION OF THE PRESSURE WITH SAID CYLINDERS, AND MEANS FOR REGULATING THE FREQUENCY AT WHICH THE RESONATOR IS RESONANT.
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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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |