US3097817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airfoil design for jet engined aircraft
Assignee: Individual
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Filing: 1962-04-05
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Granted: 1963-07-16
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Expires: 1982-04-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh E Towzey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:12
CPC Classifications
B; B64; B64C; B64C15/00; B64C15/02; B64C23/00; B64C29/00; B64C29/0008; B64C29/0041; B64C29/005; B64C39/00; B64C39/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
IN COMBINATION, AN AIRCRAFT HAVING AN AIRFOIL MEMBER INCLUDING AN UPPER OUTER CAMBER MEMBER SUPPORTED THEREFROM AND EXTENDING OVER THE UPPER SURFACE OF SAID AIRFOIL MEMBER IN SPACED RELATION THERETO AND FROM A POINT ADJACENT THE LEADING EDGE OF SAID AIRFOIL MEMBER TO A POINT ADJACENT THE TRAILING EDGE OF SAID AIRFOIL MEMBER DEFINING AN AIR PASSAGE BETWEEN SAID AIRFOIL MEMBER AND SAID CAMBER MEMBER, SAID AIR PASSAGE HAVING AN INLET AND AN OUTLET ADJACENT THE LEADING THE TRAILING EDGES OF SAID AIRFOIL MEMBER RESPECTIVELY, AIR PUMP MEANS HAVING AN AIR INTAKE, SAID AIR INTAKE BEING DISPOSED ADJACENT THE TRAILING EDGE OF SAID AIRFOIL MEMBER AND COMMUNICATED WITH SAID AIR PASSAGE OUTLET, CONTROL VALVE MEANS MOVABLY SUPPORTED FROM SAID AIRCRAFT AND OPERABLE TO VARY THE EFFECTIVE OPENING OF SAID AIR INTAKE, SAID CAMBER MEMBER HAVING A PLURALITY OF AIR INLET OPENINGS FORMED THEREIN ADJACENTS ITS LEADING EDGES, MOVABLE CLOSURE INTAKE VALVE MEANS OPERABLE TO SELECTIVELY OPEN AND CLOSE SAID CAMBER MEMBER AIR INLET OPENINGS, AND MOVABLE CLOSURE VALVE MEANS SUPPORTED FROM SAID AIRCRAFT FOR SELECTIVELY VARYING THE EFFECTIVE OPENING OF SAID AIR PASSAGE INLET.
Claim 2
Dependent Claim
184 words
IN COMBINATION, AN AIRCRAFT HAVING AN AIRFOIL MEMBER INCLUDING AN UPPER OUTER CAMBER MEMBER SUPPORTED THEREFROM AND EXTENDING OVER THE UPPER SURFACE OF SAID AIRFOIL MEMBER IN SPACED RELATION THERETO AND FROM A POINT ADJACENT THE LEADING EDGE OF SAID AIRFOIL MEMBER TO A POINT ADJACENT THE TRAILING EDGE OF SAID AIRFOIL MEMBER DEFINING AN AIR PASSAGE BETWEEN SAID AIRFOIL MEMBER AND SAID CAMBER MEMBER, SAID AIR PASSAGE HAVING AN INLET AND AN OUTLET ADJACENT THE LEADING THE TRAILING EDGES OF SAID AIRFOIL MEMBER RESPECTIVELY, AIR PUMP MEANS HAVING AN AIR INTAKE, SAID AIR INTAKE BEING DISPOSED ADJACENT THE TRAILING EDGE OF SAID AIRFOIL MEMBER AND COMMUNICATED WITH SAID AIR PASSAGE OUTLET, CONTROL VALVE MEANS MOVABLY SUPPORTED FROM SAID AIRCRAFT AND OPERABLE TO VARY THE EFFECTIVE OPENING OF SAID AIR INTAKE, SAID CAMBER MEMBER HAVING A PLURALITY OF AIR INLET OPENINGS FORMED THEREIN ADJACENTS ITS LEADING EDGES, MOVABLE CLOSURE INTAKE VALVE MEANS OPERABLE TO SELECTIVELY OPEN AND CLOSE SAID CAMBER MEMBER AIR INLET OPENINGS, AND MOVABLE CLOSURE VALVE MEANS SUPPORTED FROM SAID AIRCRAFT FOR SELECTIVELY VARYING THE EFFECTIVE OPENING OF SAID AIR PASSAGE INLET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |