US3310261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for flexible parawing
Assignee: Individual
•
Filing: 1966-02-09
•
Granted: 1967-03-21
•
Expires: 1986-02-09
Abstract
No abstract record available.
Inventors
- 👤 Francis M Rogallo
- 👤 Jr William C Sleeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:33
CPC Classifications
B; B64; B64C; B64C31/00; B64C31/028; B64C31/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A CONTROL FOR AN AERODYNAMIC VEHICLE OR THE LIKE COMPRISING: A WINGED VEHICLE HAVING STRUCTURAL MEMBERS; FLEXIBLE WING MEMBRANE BEING SECURED TO SAID STRUCTURAL MEMBERS; A TENSIONABLE MEMBER GUIDED BY AND CONFORMING SUBSTANTIALLY TO THE SHAPE OF SAID FLEXIBLE MEMBRANE AND BEING MOVABLE WITH RESPECT THERETO; AND MEANS FOR VARYING THE TENSION ON SAID TENSIONABLE MEMBER TO ALTER THE SHAPE OF SAID WING MEMBRANE AND THEREBY PROVIDE A FLIGHT CONTROL FOR THE VEHICLE.
Claim 2
Dependent Claim
73 words
A CONTROL FOR AN AERODYNAMIC VEHICLE OR THE LIKE COMPRISING: A WINGED VEHICLE HAVING STRUCTURAL MEMBERS; FLEXIBLE WING MEMBRANE BEING SECURED TO SAID STRUCTURAL MEMBERS; A TENSIONABLE MEMBER GUIDED BY AND CONFORMING SUBSTANTIALLY TO THE SHAPE OF SAID FLEXIBLE MEMBRANE AND BEING MOVABLE WITH RESPECT THERETO; AND MEANS FOR VARYING THE TENSION ON SAID TENSIONABLE MEMBER TO ALTER THE SHAPE OF SAID WING MEMBRANE AND THEREBY PROVIDE A FLIGHT CONTROL FOR THE VEHICLE.
References Cited (Backward Citations)
US2783995A
Cited
US3135483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |