US2661624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air speed indicating device
Assignee: Bendix Aviation Corp
•
Filing: 1949-08-15
•
Granted: 1953-12-08
•
Expires: 1969-08-15
Abstract
No abstract record available.
Inventors
- 👤 Paul F Bechberger
- 👤 James E Bevins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:36
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/10; G01P5/12; G01P13/00; G01P13/02; G01P13/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1332810A
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US1655125A
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US1864638A
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US2255771A
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US2186991A
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US2319516A
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US2412471A
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US2492371A
Cited
US2538843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |