Patent US6440147B1 successfully refreshed from Google Patents.
US2748639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rack-and-cam operated locking means for the slidable jaw of a slidable inner jaw wrench
Assignee: Individual
•
Filing: 1954-06-29
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Granted: 1956-06-05
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Expires: 1974-06-29
Abstract
No abstract record available.
Inventors
- 👤 Hufschmid Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:14
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/10; B25B13/12; B25B13/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US623946A
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US720933A
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US775084A
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US835071A
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US873262A
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US1055724A
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US1220913A
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US1288719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |