Patent US2563207A successfully refreshed from Google Patents.
US2563207A
Expired / Lapsed
US
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Air-speed indicator
Assignee: Bendix Aviation Corp
•
Filing: 1945-08-23
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Granted: 1951-08-07
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Expires: 1965-08-23
Abstract
No abstract record available.
Inventors
- 👤 James E Bevins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:27
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1272554A
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US2379874A
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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) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |