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US3296938A Expired / Lapsed US ⏱️ 0.0 years remaining

Reciprocating hydraulic motor

Assignee: Holley Performance Products Inc
•
Filing: 1964-12-21
•
Granted: 1967-01-10
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Expires: 1984-12-21
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Abstract

No abstract record available.

Inventors

  • 👤 Dennis J Hayman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:07
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)

US1670667A Cited
US2344802A Cited
US2462580A Cited
GB729138A Cited
US3100423A Cited

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

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