Patent US2597527A successfully refreshed from Google Patents.
US2597527A
Expired / Lapsed
US
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Reversible rotary fluid coupling
Assignee: Individual
•
Filing: 1948-07-13
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Granted: 1952-05-20
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Expires: 1968-07-13
Abstract
No abstract record available.
Inventors
- 👤 Mosher Roland Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:25
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/02; F16D33/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1860576A
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US1993741A
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US2002760A
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US2427458A
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US2248769A
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US2357654A
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US2382034A
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US2533148A
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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) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |