Patent US2697568A successfully refreshed from Google Patents.
US2697568A
Expired / Lapsed
US
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Aircraft rudder control
Assignee: Consolidated Vultee Aircraft Corp
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Filing: 1949-02-02
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Granted: 1954-12-21
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Expires: 1969-02-02
Abstract
No abstract record available.
Inventors
- 👤 Bradford W Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:52
CPC Classifications
B; B64; B64C; B64C13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE324075C
Cited
FR412683A
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US1774024A
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US1759442A
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US2390939A
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US2337706A
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US2340237A
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US2393444A
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US2454981A
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US2595363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |