US2967727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaskets and like joint rings
Assignee: WILLS PRESSURE FILLED JOINT RI
•
Filing: 1952-02-14
•
Granted: 1961-01-10
•
Expires: 1972-02-14
Abstract
No abstract record available.
Inventors
- 👤 Wills Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:55
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/46; F16L; F16L23/00; F16L23/16; F16L23/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US685610A
Cited
US1043065A
Cited
US1207813A
Cited
US1875148A
Cited
GB380853A
Cited
US1917175A
Cited
GB474238A
Cited
GB489053A
Cited
US2345515A
Cited
GB566125A
Cited
US2467061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |