Patent US2400708A successfully refreshed from Google Patents.
US2400708A
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Clamping apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1943-06-16
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Granted: 1946-05-21
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Expires: 1963-06-16
Abstract
No abstract record available.
Inventors
- 👤 Charles H Parker
- 👤 William W Covington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:10
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/10; B25B5/104; B25B5/106; B25B5/107; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/309016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-20 | 1949-11-19 | 1950-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-20 | 1953-11-19 | 1954-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-20 | 1957-11-19 | 1958-05-21 | $7700.00 | Window Closed / Lapsed |