Patent US3296938A successfully refreshed from Google Patents.
US3296938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating hydraulic motor
Assignee: Holley Performance Products Inc
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Filing: 1964-12-21
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Granted: 1967-01-10
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Dennis J Hayman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:43
CPC Classifications
E; E21; E21B; E21B6/00; B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/12; B60S1/16; B60S1/18; B60S1/24; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A RECIPROCATING MOTION DEVICE RESPONSIVE TO FLUID UNDER PRESSURE, SAID DEVICE COMPRISING A MEANS FOR CONTROLLING THE RATE OF FLOW OF SAID FLUID, A PLURALITY OF CHAMBERS, EACH CHAMBER HAVING VALVE SEATS FORMED ON TWO OPPOSING SIDES THEREOF, A VALVE IN EACH CHAMBER, SAID VALVES BEING ALTERNATELY SEATED UPON SAID OPPOSING VALVE SEATS, AN ADDITIONAL CHAMBER INCLUDING AN OSCILLATING VANE THEREIN, MEANS FOR ALTERNATELY SUPPLYING SAID FLUID TO THE OPPOSITE SIDES OF SAID OSCILLATING VANE DEPENDING UPON THE POSITIONS OF SAID VALVES, AND MEANS FOR REVERSING THE POSITIONS OF SAID PLURALITY OF VALVES FROM ONE OF SAID VALVE SEATS TO ITS OPPOSING VALVE SEAT.
Claim 2
Dependent Claim
104 words
A RECIPROCATING MOTION DEVICE RESPONSIVE TO FLUID UNDER PRESSURE, SAID DEVICE COMPRISING A MEANS FOR CONTROLLING THE RATE OF FLOW OF SAID FLUID, A PLURALITY OF CHAMBERS, EACH CHAMBER HAVING VALVE SEATS FORMED ON TWO OPPOSING SIDES THEREOF, A VALVE IN EACH CHAMBER, SAID VALVES BEING ALTERNATELY SEATED UPON SAID OPPOSING VALVE SEATS, AN ADDITIONAL CHAMBER INCLUDING AN OSCILLATING VANE THEREIN, MEANS FOR ALTERNATELY SUPPLYING SAID FLUID TO THE OPPOSITE SIDES OF SAID OSCILLATING VANE DEPENDING UPON THE POSITIONS OF SAID VALVES, AND MEANS FOR REVERSING THE POSITIONS OF SAID PLURALITY OF VALVES FROM ONE OF SAID VALVE SEATS TO ITS OPPOSING VALVE SEAT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |