Patent US2941754A successfully refreshed from Google Patents.
US2941754A
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US
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Aircraft provided with elevated stabilizing members
Assignee: Individual
•
Filing: 1956-04-02
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Granted: 1960-06-21
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Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Bouffort Victor Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:43
CPC Classifications
B; B64; B64C; B64C5/00; B64C5/08; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2120065A
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US2395435A
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US2465457A
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US2478847A
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US2472839A
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US2621871A
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US2589732A
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US2774554A
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US2762584A
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US2691953A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |