Patent US2927805A successfully refreshed from Google Patents.
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 01:27
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0824; F16L27/0828
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1790398A
Cited
BE496089A
Cited
US879880A
Cited
US1012398A
Cited
US1166579A
Cited
US1535219A
Cited
US1446057A
Cited
US1617587A
Cited
US1669949A
Cited
US1729483A
Cited
US2071750A
Cited
US2312341A
Cited
US2247242A
Cited
US2332787A
Cited
US2328898A
Cited
FR884909A
Cited
US2509091A
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 |