US3273828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double delta flexible wing
Assignee: Teledyne Ryan Aeronautical Corp
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Filing: 1964-08-07
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Granted: 1966-09-20
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Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Harry A James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:35
CPC Classifications
B; B64; B64C; B64C31/00; B64C31/028; B64C31/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A FLEXIBLE WING, COMPRISING: A PRIMARY WING HAVING A LONGITUDINAL KEEL, LEADING EDGE MEMBERS EXTENDING ANGULARLY REARWARDLY FROM THE FORWARD END OF SAID KEEL ON OPPOSITE SIDES THEREOF, AND FLEXIBLE WING PANELS SECURED TO AND BETWEEN SAID KEEL AND SAID LEADING EDGE MEMBERS; A PAIR OF SECONDARY WINGS MOUNTED ON THE REAR PORTIONS OF SAID LEADING EDGE MEMBERS OUTWARDLY THEREOF; AND ACTUATING MEANS OPERABLE TO LATERALLY EXTEND AND RETRACT SAID SECONDARY WINGS SELECTIVELY.
Claim 2
Dependent Claim
73 words
A FLEXIBLE WING, COMPRISING: A PRIMARY WING HAVING A LONGITUDINAL KEEL, LEADING EDGE MEMBERS EXTENDING ANGULARLY REARWARDLY FROM THE FORWARD END OF SAID KEEL ON OPPOSITE SIDES THEREOF, AND FLEXIBLE WING PANELS SECURED TO AND BETWEEN SAID KEEL AND SAID LEADING EDGE MEMBERS; A PAIR OF SECONDARY WINGS MOUNTED ON THE REAR PORTIONS OF SAID LEADING EDGE MEMBERS OUTWARDLY THEREOF; AND ACTUATING MEANS OPERABLE TO LATERALLY EXTEND AND RETRACT SAID SECONDARY WINGS SELECTIVELY.
References Cited (Backward Citations)
US3135483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |