US2805593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet-type pipe wrench having crank-type handles
Assignee: Individual
•
Filing: 1955-03-11
•
Granted: 1957-09-10
•
Expires: 1975-03-11
Abstract
No abstract record available.
Inventors
- 👤 Basil A Darrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:10
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/50; B25B13/5008; B25B13/5016; B25B13/5025; B25B13/5041; B25B13/505; B25B13/46; B25B13/5075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US30997A
Cited
US1322643A
Cited
GB189500552A
Cited
US816434A
Cited
US1424045A
Cited
US2418864A
Cited
US2463525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |