US3129905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft having wing with arcuate shaped trailing edge
Assignee: Individual
•
Filing: 1956-10-24
•
Granted: 1964-04-21
•
Expires: 1976-10-24
Abstract
No abstract record available.
Inventors
- 👤 Bruce G Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:52
CPC Classifications
B; B64; B64C; B64C39/00; B64C39/06; B64C27/00; B64C27/20; B64C29/00; B64C29/0008; B64C29/0016; B64C29/0025
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
AN AIRCRAFT COMPRISING AN ANNULAR WING HAVING A SUBSTANTIALLY STANDARD UNIFORM AIR FOIL SECTION THROUGHOUT AND HAVING AN UNOBSTRUCTED RADIALLY INNER TRAILING EDGE OF 360* EXTENT AND OF LESSER THICKNESS THAN THE LEADING EDGE FOR FREE FLOW OF AIR THEREOVER, A FUSELAGE SECURED TO SAID WING AND POSITIONED BELOW AND SPACED THEREFROM, AND DRIVEN PROPELLER MEANS ADJACENT AND ABOVE THE TRAILING EDGE OF SAID WING AND POSITIONED ON SAID FUSELAGE FOR FORCING AIR AGAINST AND DOWNWARDLY PAST ONLY A PORTION OF SAID WING INCLUDING SAID TRAILING EDGE AND FOR CAUSING ONLY INDUCED AIR FLOW OVER THE LEADING EDGE OF THE WING.
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |