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US3297103A Expired / Lapsed US ⏱️ 0.0 years remaining

Engine fuel supply

Assignee: Individual
•
Filing: 1964-03-24
•
Granted: 1967-01-10
•
Expires: 1984-03-24
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Abstract

No abstract record available.

Inventors

  • 👤 Walker Brooks

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:32
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/02; F02M3/04; F02M3/045

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 175 words
IN AN AUTOMOTIVE VEHICLE COMPRISING AN INTERNAL COMBUSTION ENGINE, A DRIVE SHAFT FOR DRIVING SAID VEHICLE, AND MEANS FOR CONNECTING AND DISCONNECTING THE DRIVE SHAFT TO AND FROM THE ENGINE, SAID ENGINE HAVING A CARBURETOR AND THROTTLE VALVE THEREFOR; AN IDLE FUEL SYSTEM FOR SUPPLYING FUEL TO SAID ENGINE, AND MEANS FOR SHUTTING OFF AND TURNING ON THE FLOW OF FUEL THROUGH SAID IDLE SYSTEM, SAID LATTER MEANS COMPRISING A SPEED RESPONSIVE DEVICE CONNECTED TO THE DRIVE SHAFT FOR TURNING ON THE FLOW OF IDLE FUEL WHEN THE DRIVE SHAFT ROTATES BELOW A PRESELECTED SPEED AND MEANS INDEPENDENT OF SAID SPEED RESPONSIVE DEVICE CONNECTED TO THE THROTTLE FOR TURNING OFF THE FLOW OF IDLE FUEL WHEN THE THROTTLE IS CLOSED AND THE DRIVE SHAFT ROTATES ABOVE SAID PRESELECTED SPEED WHEREBY ON DECELARATION OF THE ENGINE WITH THE DRIVE SHAFT STATIONARY AND THE THROTTLE CLOSED FUEL WILL FLOW THROUGHT THE IDLE SYSTEM, WHILE ON DECELERATION OF THE DRIVE SHAFT AND ENGINE TO THE PRESELECTED SPEED WITH THE THROTTLE CLOSED THERE IS NO FLOW OF IDLE FUEL.

References Cited (Backward Citations)

US3158144A Cited
FR726626A Cited
US2886020A Cited
US2859951A Cited
US2940331A 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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