US3143317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supersonic aircraft
Assignee: English Electric Co Ltd
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Filing: 1961-10-30
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Granted: 1964-08-04
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Walley Gerald David
- 👤 Willox Frank Gerrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:17
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/14; B64C9/22; B64C9/24; B64C30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A SUPERSONIC AIRCRAFT COMPRISING IN COMBINATION: A FUSELAGE, A SLENDER WING OF TRIANGULAR PLAN CONFIGURATION ATTACHED TO SAID FUSELAGE, TRIANGULAR NOSE FLAPS FORMING THE FORWARD APEX OF SAID WING, AND HINGED TO SAID FUSELAGE ABOUT A SUBSTANTIALLY TRANSVERSE AXIS, PILOT-OPERATED CONTROLS IN SAID FUSELAGE LINKED TO SAID NOSE FLAPS IN THE SENSE OF DEFLECTING THE SAME UPWARD FOR PRODUCING A LIFT INCREMENT AT HIGH ANGLES OF INCIDENCE OF SAID SLENDER WING, TRAILING EDGE FLAPS HINGED TO SAID SLENDER WING AND COUPLED TO SAID NOSE FLAPS IN THE SENSE OF BEING DEFLECTED DOWNWARD FOR PRODUCING A LIFT INCREMENT AT HIGH ANGLES OF INCIDENCE OF SAID SLENDER WING AND FOR BALANCING THE NOSEUP PITCH MOMENT PRODUCED BY THE UPWARD DEFLECTION OF SAID NOSE FLAPS.
Claim 2
Dependent Claim
122 words
A SUPERSONIC AIRCRAFT COMPRISING IN COMBINATION: A FUSELAGE, A SLENDER WING OF TRIANGULAR PLAN CONFIGURATION ATTACHED TO SAID FUSELAGE, TRIANGULAR NOSE FLAPS FORMING THE FORWARD APEX OF SAID WING, AND HINGED TO SAID FUSELAGE ABOUT A SUBSTANTIALLY TRANSVERSE AXIS, PILOT-OPERATED CONTROLS IN SAID FUSELAGE LINKED TO SAID NOSE FLAPS IN THE SENSE OF DEFLECTING THE SAME UPWARD FOR PRODUCING A LIFT INCREMENT AT HIGH ANGLES OF INCIDENCE OF SAID SLENDER WING, TRAILING EDGE FLAPS HINGED TO SAID SLENDER WING AND COUPLED TO SAID NOSE FLAPS IN THE SENSE OF BEING DEFLECTED DOWNWARD FOR PRODUCING A LIFT INCREMENT AT HIGH ANGLES OF INCIDENCE OF SAID SLENDER WING AND FOR BALANCING THE NOSEUP PITCH MOMENT PRODUCED BY THE UPWARD DEFLECTION OF SAID NOSE FLAPS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |