Patent US2882773A successfully refreshed from Google Patents.
US2882773A
Expired / Lapsed
US
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Bolt holding wrench
Assignee: HI SHEAR RIVET TOOL CO
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Filing: 1957-06-10
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Granted: 1959-04-21
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Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 George S Wing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:53
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/002; B25B13/00; B25B13/48; B25B13/488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2736220A
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US1343667A
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US2075754A
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US2239072A
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US2789597A
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US2772589A
Cited
US2790471A
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US2776681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |