Patent US3453883A successfully refreshed from Google Patents.
US3453883A
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US
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Pressure actuated mach/airspeed instrument for producing a linearized,electrical mach output
Assignee: Lear Siegler Inc
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Filing: 1967-05-05
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Granted: 1969-07-08
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Expires: 1987-05-05
Abstract
No abstract record available.
Inventors
- 👤 Vincent P Caggia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:54
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/17; G01P5/175; Y; Y10; Y10S; Y10S116/00; Y10S116/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB766873A
Cited
US3049007A
Cited
GB1031253A
Cited
US3312110A
Cited
US3232530A
Cited
US3257845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |