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US3119577A Expired / Lapsed US ⏱️ 0.0 years remaining

Convertible aircraft

Assignee: Individual
•
Filing: 1961-05-01
•
Granted: 1964-01-28
•
Expires: 1981-05-01
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Abstract

No abstract record available.

Inventors

  • 👤 Edward F Andrews

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 09:07
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/22; B64C27/26

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 176 words
IN A CONVERTIBLE AIRCRAFT HAVING A FUSELAGE, A FIXED WING MOUNTED THEREON, A LIFTING ROTOR MOUNTED FOR ROTATION ON SAID FUSELAGE, A TURBO COMPRESSOR POWER MEANS IN SAID FUSELAGE, ROTOR COMBUSTION CHAMBER MEANS ON SAID ROTOR SUPPLIED WITH AIR UNDER PRESSURE FROM THE COMPRESSOR MEANS OF SAID TURBO COMPRESSOR POWER MEANS ROTOR FUEL SUPPLY MEANS AND ROTOR JET DISCHARGE MEANS FROM SAID ROTOR COMBUSTION CHAMBER MEANS TO ROTATE SAID ROTOR SUPPLYING SUBSTANTIALLY ALL LIFT DURING LOW SPEED FLIGHT, MEANS FOR STOPPING THE FLOW OF AIR AND FUEL TO SAID ROTOR COMBUSTION CHAMBER MEANS AND PROVIDING LARGE HORIZONTAL THRUST FROM SAID TURBO COMPRESSOR EXHAUST AND SAID COMPRESSOR MEANS DURING HIGH SPEED FLIGHT, MEANS ON SAID ROTOR FOR CONTROLLING THE COLLECTIVE PITCH THEREOF, MEANS OPERATIVELY CONNECTED TO SAID FIXED WING FOR CONTROLLING THE ANGLE OF ATTACK OF THE FIXED WING AND MANUALLY-OPERATED CONTROL MEANS FOR REDUCING THE COLLECTIVE PITCH OF SAID ROTOR, ADJUSTING THE ANGLE OF ATTACK OF SAID FIXED WING AND FOR OPERATING SAID AIR FLOW STOPPING MEANS FOR TRANSITION FROM LOW SPEED TO HIGH SPEED FLIGHT.

References Cited (Backward Citations)

US2408788A Cited
US2799353A Cited
US2481502A Cited
US2491693A Cited
US2614384A Cited
US2818223A Cited
US2630986A Cited
US2690886A Cited
US2989268A Cited
US2915129A Cited
US2837301A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-01-27 1967-07-29 1968-01-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-01-27 1971-07-29 1972-01-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-01-27 1975-07-29 1976-01-28 $7700.00 Window Closed / Lapsed

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