US2626776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve seat
Assignee: Individual
•
Filing: 1950-10-02
•
Granted: 1953-01-27
•
Expires: 1970-10-02
Abstract
No abstract record available.
Inventors
- 👤 Stephen F Martineau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:37
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49298; Y10T29/49306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US528150A
Cited
GB122627A
Cited
US1553323A
Cited
GB352038A
Cited
US2266408A
Cited
GB543006A
Cited
US2483572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |