Patent US1912750A successfully refreshed from Google Patents.
US2413016A
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Cutting machine
Assignee: Rockwell Manufacturing Co
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Filing: 1942-10-01
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Granted: 1946-12-24
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Expires: 1962-10-01
Abstract
No abstract record available.
Inventors
- 👤 Christy A Wiken
- 👤 Hugo V Boehnke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:27
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/04; B23D45/042; B23D45/044; B23D47/00; B23D47/132; B23D59/00; B23D59/02; B23D59/025; B23Q; B23Q11/00; B23Q11/10; Y; Y10; Y10S; Y10S29/00; Y10S29/068; Y10S29/077; Y10T; Y10T407/00; Y10T407/14; Y10T409/00; Y10T409/30; Y10T409/303976; Y10T409/304032; Y10T83/00; Y10T83/263; Y10T83/768; Y10T83/7734
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) | 1949-12-23 | 1950-06-24 | 1950-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-23 | 1954-06-24 | 1954-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-23 | 1958-06-24 | 1958-12-24 | $7700.00 | Window Closed / Lapsed |