Patent US2680980A successfully refreshed from Google Patents.
US2680980A
Expired / Lapsed
US
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Quick opening and closing tube vise
Assignee: Imperial Brass Manufacturing Co
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Filing: 1950-05-18
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Granted: 1954-06-15
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Expires: 1970-05-18
Abstract
No abstract record available.
Inventors
- 👤 George E Franck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:02
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/24; B23; B23D; B23D51/00; B23D51/02; B23D51/025; B23D51/026; B23D51/027; B23D51/04; B25B1/06; B25B1/10; B25B1/103; B25B1/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49998
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US965893A
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US1475058A
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US2061718A
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US2031159A
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US2107635A
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US2211242A
Cited
US2157789A
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US2260708A
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GB576141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |