Patent US2658538A successfully refreshed from Google Patents.
US2658538A
Expired / Lapsed
US
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Screw-retaining clamp for power-driven screw drivers
Assignee: Individual
•
Filing: 1951-10-29
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Granted: 1953-11-10
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Expires: 1971-10-29
Abstract
No abstract record available.
Inventors
- 👤 Donald M Kitterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:54
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1807264A
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US2061086A
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US2150343A
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US2175299A
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US2272279A
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US2334088A
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US2373992A
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US2435137A
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US2564345A
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US2625967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |