Patent US3333790A successfully refreshed from Google Patents.
US3333790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerodynamic roll control mechanism
Assignee: General Dynamics Corp
•
Filing: 1964-12-02
•
Granted: 1967-08-01
•
Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles C Durand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:03
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/14; F42B10/26; F42B10/28; F42B10/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN AERODYNAMIC ROLL CONTROL MECHANISM FOR AN AIR VEHICLE COMPRISING A PLURALITY OF FINS HAVING LEADING AND TRAILING EDGES, EACH OF SAID FINS INCLUDING A FLAT SURFACE ON ONE SIDE THEREROF, A CAMBERED SURFACE ON THE SIDE OPPOSITE SAID FLAT SURFACE, AND AN OUTBOARD SURFACE PERPENDICULAR TO THE LEADING AND TRAILING EDGES THEREOF.
Claim 2
Dependent Claim
53 words
AN AERODYNAMIC ROLL CONTROL MECHANISM FOR AN AIR VEHICLE COMPRISING A PLURALITY OF FINS HAVING LEADING AND TRAILING EDGES, EACH OF SAID FINS INCLUDING A FLAT SURFACE ON ONE SIDE THEREROF, A CAMBERED SURFACE ON THE SIDE OPPOSITE SAID FLAT SURFACE, AND AN OUTBOARD SURFACE PERPENDICULAR TO THE LEADING AND TRAILING EDGES THEREOF.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |