US2927805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel coupling with spring-urged ring pressing the seal
Assignee: FMC Corp
•
Filing: 1956-06-21
•
Granted: 1960-03-08
•
Expires: 1976-06-21
Abstract
No abstract record available.
Inventors
- 👤 Armand L Faccon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:18
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16L27/0828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1166579A
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US1535219A
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US1617587A
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US1669949A
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US1729483A
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US2071750A
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US2312341A
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US2247242A
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US2332787A
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US2328898A
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FR884909A
Cited
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Cited
US2653837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |