US2473809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid coupling
Assignee: Bendix Aviation Corp
•
Filing: 1943-07-31
•
Granted: 1949-06-21
•
Expires: 1963-07-31
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:56
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/06; F16D33/08; F16D33/10; B; B64; B64C; B64C27/00; B64C27/04; B64C27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1972175A
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US1817650A
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US1859607A
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US1866424A
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US1963720A
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US1938357A
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US2127738A
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US2187667A
Cited
US2284362A
Cited
US2289440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |