US3092354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerodynamic system and apparatus
Assignee: Individual
•
Filing: 1960-08-08
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Granted: 1963-06-04
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Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Alvarez-Calderon Alberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:56
CPC Classifications
B; B64; B64C; B64C23/00; B64C23/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
IN AN AIRPLANE HAVING WINGS THE IMPROVEMENT COMPRISING FORCE PRODUCING CYLINDERS IN COMBINATION WITH FLAPS, SAID CYLINDERS AND FLAPS BEING POSITIONED ON THE TRAILING EDGES OF SAID WINGS, MEANS FOR ENERGIZING SAID CYLINDERS, MEANS FOR LOWERING SAID FLAPS WHILE ELEVATING SAID CYLINDERS INTO THE RELATIVE AIR FLOW OF SAID AIRPLANE WHEREBY SAID AIRPLANE IS RENDERED CAPABLE OF HIGH-LIFT SUCH AS THAT NEEDED FOR VERTICAL AND FOR SHORT TAKEOFF AND LANDING.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |