US3120935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for the steering of an aerodyne and chiefly of a glider
Assignee: Individual
•
Filing: 1961-12-18
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Granted: 1964-02-11
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Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 Perrin Jacques Jean Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:31
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/32; B64C9/323
Claims Analysis
Total Claims: 0
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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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |