US2549951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel joint for fluid conduits
Assignee: Chiksan Co
•
Filing: 1948-02-02
•
Granted: 1951-04-24
•
Expires: 1968-02-02
Abstract
No abstract record available.
Inventors
- 👤 Doyle C Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:38
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)
US1586725A
Cited
US1759029A
Cited
US1702066A
Cited
US1883278A
Cited
US2100220A
Cited
US2444868A
Cited
US2396123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |