Patent US2500002A successfully refreshed from Google Patents.
US2500002A
Expired / Lapsed
US
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Rotary fluid coupling
Assignee: Bendix Aviation Corp
•
Filing: 1943-07-31
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Granted: 1950-03-07
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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
2026-10-31 23:27
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/18; F16D33/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR744956A
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US1047948A
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US1032892A
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US1327080A
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DE458358C
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US1901988A
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US1927040A
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US1971734A
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US2222618A
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GB452922A
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US2168862A
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US2297196A
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US2240270A
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US2337570A
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US2319781A
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US2212774A
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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) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |