US3140842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible wing aircraft
Assignee: Teledyne Ryan Aeronautical Corp
•
Filing: 1961-03-17
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Granted: 1964-07-14
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 Cecil E Craigo
- 👤 Harry A James
- 👤 Leo J Hand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:13
CPC Classifications
B; B64; B64C; B64C31/00; B64C31/028; B64C31/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN AIRCRAFT, COMPRISING: A WING HAVING A LIFTING PANEL, FREELY FLEXIBLE IN ONE DIRECTION; SUPPORTING STRUCTURE ATTACHED TO AND SUPPORTING CERTAIN EDGES OF SAID PANEL; AN AIRFRAME STRUCTURE SUSPENDED FROM SAID WING AND BEING PIVOTALLY ATTACHED THERETO SUBSTANTIALLY AT THE AERODYNAMIC CENTER OF PRESSURE OF THE WING; AND CONTROL MEANS COUPLED BETWEEN SAID WING AND SAID AIRFRAME STRUCTURE TO SHIFT THE CENTER OF GRAVITY OF THE AIRFRAME STRUCTURE RELATIVE TO THE CENTER OF PRESSURE OF THE WING, THEREBY APPLYING A DEFLECTING MOMENT TO THE AIRCRAFT.
Claim 2
Dependent Claim
85 words
AN AIRCRAFT, COMPRISING: A WING HAVING A LIFTING PANEL, FREELY FLEXIBLE IN ONE DIRECTION; SUPPORTING STRUCTURE ATTACHED TO AND SUPPORTING CERTAIN EDGES OF SAID PANEL; AN AIRFRAME STRUCTURE SUSPENDED FROM SAID WING AND BEING PIVOTALLY ATTACHED THERETO SUBSTANTIALLY AT THE AERODYNAMIC CENTER OF PRESSURE OF THE WING; AND CONTROL MEANS COUPLED BETWEEN SAID WING AND SAID AIRFRAME STRUCTURE TO SHIFT THE CENTER OF GRAVITY OF THE AIRFRAME STRUCTURE RELATIVE TO THE CENTER OF PRESSURE OF THE WING, THEREBY APPLYING A DEFLECTING MOMENT TO THE AIRCRAFT.
References Cited (Backward Citations)
US989786A
Cited
US2128060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |