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US3306271A Expired / Lapsed US ⏱️ 0.0 years remaining

Internal combustion engine with single overhead camshaft and hemispherical combustion chambers

Assignee: Motors Liquidation Co
•
Filing: 1966-01-19
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Granted: 1967-02-28
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Expires: 1986-01-19
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph D Turlay

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 12:01
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/26; F02F1/36; F02F1/38; F01; F01L; F01L1/00; F01L1/02; F01L1/04; F01L1/047; F01L1/053; F01L3/00; F01L2003/25; F01L2003/256; F02B; F02B1/00; F02B1/02; F02B1/04; F02B2275/00; F02B2275/20; F02F2001/244; F02F2001/245

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 104 words
IN AN INTERNAL COMBUSTION ENGINE, A COMBUSTION CHAMBER DEFINING WALL FORMING A PORTION OF A SPHERE, FLUID FLOW PASSAGES THROUGH SAID WALL AND TERMINATING IN A PAIR OF VALVE SEATS, FIRST AND SECOND POPPET VALVES ADAPTED TO ENGAGE SAID VALVE SEATS TO CLOSE SAID PASSAGES, SAID VALVES BEING MOVABLE ON AXES INTERSECTING THE CENTER OF SAID SPHERE, A CAMSHAFT ROTATABLY MOUNTED OVER AND OPERABLY ENGAGING SAID FIRST VALVE, SAID CAMSHAFT HAVING AN AXIS PERPENDICULAR TO AND INTERSECTED BY THE AXIS OF SAID FIRST VALVE AND MECHANISM OPERABLY CONNECTING SAID SECOND VALVE WITH SAID CAMSHAFT WHEREBY BOTH SAID PASSAGES ARE CONTROLLED BY A SINGLE CAMSHAFT.
Claim 2
Dependent Claim 104 words
IN AN INTERNAL COMBUSTION ENGINE, A COMBUSTION CHAMBER DEFINING WALL FORMING A PORTION OF A SPHERE, FLUID FLOW PASSAGES THROUGH SAID WALL AND TERMINATING IN A PAIR OF VALVE SEATS, FIRST AND SECOND POPPET VALVES ADAPTED TO ENGAGE SAID VALVE SEATS TO CLOSE SAID PASSAGES, SAID VALVES BEING MOVABLE ON AXES INTERSECTING THE CENTER OF SAID SPHERE, A CAMSHAFT ROTATABLY MOUNTED OVER AND OPERABLY ENGAGING SAID FIRST VALVE, SAID CAMSHAFT HAVING AN AXIS PERPENDICULAR TO AND INTERSECTED BY THE AXIS OF SAID FIRST VALVE AND MECHANISM OPERABLY CONNECTING SAID SECOND VALVE WITH SAID CAMSHAFT WHEREBY BOTH SAID PASSAGES ARE CONTROLLED BY A SINGLE CAMSHAFT.

References Cited (Backward Citations)

GB695546A Cited
US2804862A Cited
US2954023A Cited
US3094977A Cited
US3137283A Cited
US3219019A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-27 1970-08-29 1971-02-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-27 1974-08-29 1975-02-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-27 1978-08-29 1979-02-28 $7700.00 Window Closed / Lapsed

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