Patent US2706407A successfully refreshed from Google Patents.
US2706407A
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US
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Airspeed indicator
Assignee: Bendix Aviation Corp
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Filing: 1949-03-28
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Granted: 1955-04-19
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Expires: 1969-03-28
Abstract
No abstract record available.
Inventors
- 👤 Norman F Hosford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:23
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/17; G01P5/175; G01P1/00; G01P1/07; G01P1/08; G01P1/10; Y; Y10; Y10S; Y10S116/00; Y10S116/06; Y10S116/43
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) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |