US2574834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe wrench
Assignee: Individual
•
Filing: 1947-10-08
•
Granted: 1951-11-13
•
Expires: 1967-10-08
Abstract
No abstract record available.
Inventors
- 👤 John R Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:58
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/10; B25B13/12; B25B13/14; B25B13/46; B25B13/48; B25B13/50; B25B13/5008; B25B13/5016; B25B13/5025; B25B13/5041; B25B13/5058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US454896A
Cited
US577770A
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US595473A
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US955893A
Cited
US1048380A
Cited
US1148410A
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US1344573A
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US1362481A
Cited
US1396982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |