Patent US2937437A successfully refreshed from Google Patents.
US2937437A
Expired / Lapsed
US
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Method and apparatus for holding a work-piece
Assignee: General Dynamics Corp
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Filing: 1957-01-09
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Granted: 1960-05-24
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Expires: 1977-01-09
Abstract
No abstract record available.
Inventors
- 👤 Donald W Cole
- 👤 Howard H Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:26
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B23Q3/086; Y; Y10; Y10S; Y10S62/00; Y10S62/10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T403/00; Y10T403/21; Y10T403/47; Y10T403/477
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US995537A
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US2124110A
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US2397827A
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US2600842A
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US2471718A
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US2629230A
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US2641879A
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US2701455A
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US2855664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |