Patent US2530880A successfully refreshed from Google Patents.
US2530880A
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Control for cutting machines
Assignee: Samuel Cabot Inc
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Filing: 1949-09-23
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Granted: 1950-11-21
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Expires: 1969-09-23
Abstract
No abstract record available.
Inventors
- 👤 Augustus H Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:07
CPC Classifications
B; B27; B27B; B27B25/00; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4597; Y10T83/647; Y10T83/6492; Y10T83/6499; Y10T83/6508; Y10T83/651; Y10T83/6512; Y10T83/654; Y10T83/6563; Y10T83/6584; Y10T83/6592; Y10T83/727; Y10T83/748; Y10T83/7487; Y10T83/7493
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) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |