Patent US2537594A successfully refreshed from Google Patents.
US2537594A
Expired / Lapsed
US
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Quick-acting hold-down cam clamp
Assignee: SPECIAL ENGINEERING SERVICE IN
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Filing: 1944-06-09
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Granted: 1951-01-09
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Expires: 1964-06-09
Abstract
No abstract record available.
Inventors
- 👤 Albert F Lehmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:18
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/12; B25B5/08; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44496; Y10T24/44513; Y10T24/44521; Y10T24/44564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |