US2675724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal pipe wrench with
Assignee: —
•
Filing: —
•
Granted: 1954-04-20
•
Expires: 1971-04-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:12
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/50; B25B13/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US305035A
Cited
US532765A
Cited
US573325A
Cited
US1075753A
Cited
US705724A
Cited
US1142660A
Cited
US1415734A
Cited
US1535534A
Cited
US1507645A
Cited
US1822685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |