US3070959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure operated mechanisms
Assignee: HYDRA POWER CORP
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Filing: 1959-04-06
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Granted: 1963-01-01
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Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 Giampapa Cirino
- 👤 Paleschuck Maurice
- 👤 John O Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:31
CPC Classifications
B; B64; B64C; B64C13/00; B64C13/24; B64C13/38; B64C13/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN APPARATUS OF THE CHARACTER DESCRIBED THE COMBINATION OF A CONTROL UNIT AND A SLAVE UNIT EACH HAVING A PRESSURE FLUID POWER CHAMBER, EACH OF SAID CHAMBERS HAVING A POWER VANE DISPOSED THEREIN FOR ANGULAR OSCILLATING MOVEMENT, EACH OF SAID CHAMBERS HAVING FLUID PORTS POSITIONED ON OPPOSITE SIDES OF ITS POWER VANE RESPECTIVELY, VALVE MEANS OPERABLE BY THE ANGULAR MOVEMENT OF THE POWER VANE OF SAID CONTROL UNIT CHAMBER FOR CONTROLLING THE ALTERNATE FLOW OF FLUID UNDER PRESSURE TO THE OPPOSITE SIDES OF ITS SAID VANE, MEANS FOR PASSING FLUID BETWEEN SAID VALVE MEANS AND THE FLUID PORT ON ONE SIDE OF THE VANE OF SAID CONTROL UNIT CHAMBER, MEANS FOR PASSING FLUID BETWEEN THE FLUID PORT ON THE OTHER SIDE OF SAID CONTROL UNIT VANE AND THE FLUID PORT ON ONE SIDE OF SAID SLAVE UNIT VANE, MEANS FOR PASSING FLUID BETWEEN THE FLUID PORT ON THE OTHER SIDE OF SAID SLAVE UNIT VANE AND SAID VALVE MEANS, AND MEANS INTERCONNECTING SAID VALVE MEANS AND SAID CONTROL UNIT VANE FOR CONTROLLING THE OPERATION OF
Claim 2
Dependent Claim
175 words
IN APPARATUS OF THE CHARACTER DESCRIBED THE COMBINATION OF A CONTROL UNIT AND A SLAVE UNIT EACH HAVING A PRESSURE FLUID POWER CHAMBER, EACH OF SAID CHAMBERS HAVING A POWER VANE DISPOSED THEREIN FOR ANGULAR OSCILLATING MOVEMENT, EACH OF SAID CHAMBERS HAVING FLUID PORTS POSITIONED ON OPPOSITE SIDES OF ITS POWER VANE RESPECTIVELY, VALVE MEANS OPERABLE BY THE ANGULAR MOVEMENT OF THE POWER VANE OF SAID CONTROL UNIT CHAMBER FOR CONTROLLING THE ALTERNATE FLOW OF FLUID UNDER PRESSURE TO THE OPPOSITE SIDES OF ITS SAID VANE, MEANS FOR PASSING FLUID BETWEEN SAID VALVE MEANS AND THE FLUID PORT ON ONE SIDE OF THE VANE OF SAID CONTROL UNIT CHAMBER, MEANS FOR PASSING FLUID BETWEEN THE FLUID PORT ON THE OTHER SIDE OF SAID CONTROL UNIT VANE AND THE FLUID PORT ON ONE SIDE OF SAID SLAVE UNIT VANE, MEANS FOR PASSING FLUID BETWEEN THE FLUID PORT ON THE OTHER SIDE OF SAID SLAVE UNIT VANE AND SAID VALVE MEANS, AND MEANS INTERCONNECTING SAID VALVE MEANS AND SAID CONTROL UNIT VANE FOR CONTROLLING THE OPERATION OF
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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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |