US3154269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deployable, inflatable ring-wing airfoil
Assignee: Individual
•
Filing: 1963-03-18
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Granted: 1964-10-27
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jay L Musil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:22
CPC Classifications
B; B64; B64C; B64C39/00; B64C39/06; B64C39/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A DEPLOYABLE, INFLATABLE RING-WING AIRFOIL CONSISTING OF A RING-WING, AN INFLATABLE LEADING EDGE TUBE ON SAID RING-WING HAVING A DIAMETER OF THE ORDER OF 10 PERCENT OF THE CHORD WIDTH EXTENDING THE LENGTH OF THE CIRCUMFERENCE OF THE RING-WING, AND INFLATABLE CHORDWISE RIBS, A NUMBER OF WHICH ARE SPACED ABOUT THE CIRCUMFERENCE OF THE RING-WING, WHICH, WHEN INFLATED PROVIDE CHORDWISE RIGIDITY TO THE AERODYNAMIC LIFTING SURFACE OF THE RING-WING ITSELF, AND WHICH CONSISTS OF A THIN, SINGLE PLY, FLEXIBLE, NON-POROUS MATERIAL.
Claim 2
Dependent Claim
81 words
A DEPLOYABLE, INFLATABLE RING-WING AIRFOIL CONSISTING OF A RING-WING, AN INFLATABLE LEADING EDGE TUBE ON SAID RING-WING HAVING A DIAMETER OF THE ORDER OF 10 PERCENT OF THE CHORD WIDTH EXTENDING THE LENGTH OF THE CIRCUMFERENCE OF THE RING-WING, AND INFLATABLE CHORDWISE RIBS, A NUMBER OF WHICH ARE SPACED ABOUT THE CIRCUMFERENCE OF THE RING-WING, WHICH, WHEN INFLATED PROVIDE CHORDWISE RIGIDITY TO THE AERODYNAMIC LIFTING SURFACE OF THE RING-WING ITSELF, AND WHICH CONSISTS OF A THIN, SINGLE PLY, FLEXIBLE, NON-POROUS MATERIAL.
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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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |