Patent US5659231A successfully refreshed from Google Patents.
Patent US2662433A successfully refreshed from Google Patents.
US2662433A
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US
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Device for simultaneously clamping and releasing plural workpieces
Assignee: Individual
•
Filing: 1950-02-08
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Granted: 1953-12-15
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Expires: 1970-02-08
Abstract
No abstract record available.
Inventors
- 👤 Caroline A Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:50
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/06; B25B1/10; B25B1/103; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/061; B25B1/24; B25B1/2405; B25B1/2478; B25B5/00; B25B5/006; B25B5/06; B25B5/10; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/563
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US620495A
Cited
US752656A
Cited
GB190320858A
Cited
GB190705432A
Cited
US866296A
Cited
US920797A
Cited
US1331315A
Cited
US1823537A
Cited
US2370042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |