Patent US3119577A successfully refreshed from Google Patents.
US3119577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible aircraft
Assignee: Individual
•
Filing: 1961-05-01
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Granted: 1964-01-28
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Edward F Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:33
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.
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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 |