US2669302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam operated trimming dies
Assignee: STEEL PRODUCTS ENG CO
•
Filing: 1950-05-08
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Granted: 1954-02-16
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Expires: 1970-05-08
Abstract
No abstract record available.
Inventors
- 👤 Charles M Brehm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:27
CPC Classifications
B; B23; B23D; B23D31/00; B23D31/001; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2122; Y10T83/2133; Y10T83/2209; Y10T83/2218; Y10T83/384; Y10T83/387; Y10T83/388; Y10T83/392; Y10T83/393; Y10T83/404; Y10T83/416
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) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |