US2886151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Field responsive fluid couplings
Assignee: WEFCO Inc
•
Filing: 1949-01-07
•
Granted: 1959-05-12
•
Expires: 1969-01-07
Abstract
No abstract record available.
Inventors
- 👤 Willis M Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/001; F; F16; F16D; F16D37/00; F16D37/008; F16D37/02; H; H01; H01F; H01F1/00; H01F1/44; H01F1/447; F16D2037/002; F16D2037/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US811654A
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US2106882A
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US2214901A
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US2193214A
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US2299049A
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US2417850A
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US2407504A
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FR920562A
Cited
US2575360A
Cited
US2525571A
Cited
US2519449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |