US2801561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrench with segmental work engaging portions
Assignee: Individual
•
Filing: 1954-04-16
•
Granted: 1957-08-06
•
Expires: 1974-04-16
Abstract
No abstract record available.
Inventors
- 👤 Vern G Bonner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:03
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/02; B25B13/04; B25B13/10; B25B13/107; B25B13/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1314044A
Cited
US1600645A
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US1564222A
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US2322856A
Cited
US2337368A
Cited
US2386342A
Cited
US2394808A
Cited
US2536172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |