Patent US3269674A successfully refreshed from Google Patents.
US3269674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible wing with pitch stabilizing means
Assignee: Teledyne Ryan Aeronautical Corp
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Filing: 1964-06-26
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Granted: 1966-08-30
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Peter F Girard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:43
CPC Classifications
B; B64; B64C; B64C31/00; B64C31/028; B64C31/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A FLEXIBLE WING, COMPRISING: A RIDID LONGITUDINAL KEEL: LEADING EDGE MEMBERS EXTENDING ANGULARLY REARWARDLY FROM THE FORWARD END OF SAID KEEL ON OPPOSITE SIDES THEREOF; FLEXIBLE LIFTING PANELS SECURED TO AND BETWEEN SAID KEEL AND SAID LEADING EDGE MEMBERS; THE FORWARD PORTIONS OF SAID LIFTING PANELS BEING SEPARATED THEREFROM AND CONSTITUTING A FORE PLANE, WITH SLOTS BETWEEN THE FORE PLANE PORTIONS AND THE RESPECTIVE LIFTING PANELS EXTENDING FROM OPPOSITE SIDES OF SAID KEEL TO SAID LEADING EDGE MEMBERS; SAID FORE PLANE HAVING A POSITIVE ANGLE OF INCIDENCE RELATIVE TO THE MAJOR PORTION OF THE WING.
Claim 2
Dependent Claim
95 words
A FLEXIBLE WING, COMPRISING: A RIDID LONGITUDINAL KEEL: LEADING EDGE MEMBERS EXTENDING ANGULARLY REARWARDLY FROM THE FORWARD END OF SAID KEEL ON OPPOSITE SIDES THEREOF; FLEXIBLE LIFTING PANELS SECURED TO AND BETWEEN SAID KEEL AND SAID LEADING EDGE MEMBERS; THE FORWARD PORTIONS OF SAID LIFTING PANELS BEING SEPARATED THEREFROM AND CONSTITUTING A FORE PLANE, WITH SLOTS BETWEEN THE FORE PLANE PORTIONS AND THE RESPECTIVE LIFTING PANELS EXTENDING FROM OPPOSITE SIDES OF SAID KEEL TO SAID LEADING EDGE MEMBERS; SAID FORE PLANE HAVING A POSITIVE ANGLE OF INCIDENCE RELATIVE TO THE MAJOR PORTION OF THE WING.
References Cited (Backward Citations)
US1861318A
Cited
US2381679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |