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US3312426A Expired / Lapsed US ⏱️ 0.0 years remaining

Convertible vtol aircraft

Assignee: Individual
•
Filing: 1966-07-13
•
Granted: 1967-04-04
•
Expires: 1986-07-13
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Abstract

No abstract record available.

Inventors

  • 👤 Harlan D Fowler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 02:31
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016; B64C23/00; B64C23/005

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 142 words
IN A V/STOL AIRCRAFT, A FUSELAGE, A WING EXTENDING TO EITHER SIDE OF SAID FUSELAGE, AT LEAST TWO ENGINES MOUNTED CENTRALLY OF SAID AIRCRAFT ABOVE SAID WING AND ON OPPOSITE SIDES OF SAID FUSELAGE AND OUTSIDE SAID FUSELAGE, AT LEAST ONE CENTERBODY ON EACH SIDE OF SAID WING, A PROPELLER MOUNTED ON SAID CENTERBODY, A TRANSMISSION SYSTEM FROM SAID ENGINES, ALONG SAID WINGS TO DRIVE SAID PROPELLER, A SLOTTED FLAP MOVABLE BETWEEN RETRACTED POSITION AND PROJECTED POSITION, EACH SAID WING HEAVING A CAVITY TO RECEIVE SAID FLAP IN RETRACTED POSITION, A RIGID, PIVOTAL DEFLECTOR WING, AND MEANS PIVOTALLY MOUNTING SAID DEFLECTOR WING ON THE REARMOST END OF SAID CENTERBODY FOR PIVOTAL MOVEMENT BETWEEN A RETRACTED, SUBSTANTIALLY HORIZONTAL POSITION AND A PROJECTED SUBSTANTIALLY VERTICAL POSITION, SAID FLAP AND DEFLECTOR WING WHEN BOTH IN PROJECTED POSITION FORCING THE SLIPSTREAM OF SAID PROPELLER SUBSTANTIALLY DOWNWARD.
Claim 2
Dependent Claim 142 words
IN A V/STOL AIRCRAFT, A FUSELAGE, A WING EXTENDING TO EITHER SIDE OF SAID FUSELAGE, AT LEAST TWO ENGINES MOUNTED CENTRALLY OF SAID AIRCRAFT ABOVE SAID WING AND ON OPPOSITE SIDES OF SAID FUSELAGE AND OUTSIDE SAID FUSELAGE, AT LEAST ONE CENTERBODY ON EACH SIDE OF SAID WING, A PROPELLER MOUNTED ON SAID CENTERBODY, A TRANSMISSION SYSTEM FROM SAID ENGINES, ALONG SAID WINGS TO DRIVE SAID PROPELLER, A SLOTTED FLAP MOVABLE BETWEEN RETRACTED POSITION AND PROJECTED POSITION, EACH SAID WING HEAVING A CAVITY TO RECEIVE SAID FLAP IN RETRACTED POSITION, A RIGID, PIVOTAL DEFLECTOR WING, AND MEANS PIVOTALLY MOUNTING SAID DEFLECTOR WING ON THE REARMOST END OF SAID CENTERBODY FOR PIVOTAL MOVEMENT BETWEEN A RETRACTED, SUBSTANTIALLY HORIZONTAL POSITION AND A PROJECTED SUBSTANTIALLY VERTICAL POSITION, SAID FLAP AND DEFLECTOR WING WHEN BOTH IN PROJECTED POSITION FORCING THE SLIPSTREAM OF SAID PROPELLER SUBSTANTIALLY DOWNWARD.

References Cited (Backward Citations)

US2479619A Cited
US2445446A Cited
US2991026A Cited
US3106369A Cited
US3096043A Cited
US3093347A Cited
US3121544A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-03 1970-10-03 1971-04-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-03 1974-10-03 1975-04-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-03 1978-10-03 1979-04-04 $7700.00 Window Closed / Lapsed

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