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Patent US2471726A successfully refreshed from Google Patents.
US2471726A
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Jack operable and supported vise
Assignee: COFFING HOIST Co
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Filing: 1946-04-12
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Granted: 1949-05-31
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Expires: 1966-04-12
Abstract
No abstract record available.
Inventors
- 👤 Fredrick W Coffing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:46
CPC Classifications
B; B66; B66F; B66F1/00; B25; B25B; B25B1/00; B25B1/04; B25B1/06; B25B1/20; B25B1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US286995A
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US367658A
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US377976A
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US434231A
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US594314A
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US1253725A
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FR650743A
Cited
US2377324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |