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US2201658A
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Cutoff machine
Assignee: PORTER MCLEOD MACHINE TOOL CO
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Filing: 1939-07-28
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Granted: 1940-05-21
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Expires: 1959-07-28
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:46
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/02; B23D47/025; B23D45/00; B23D45/04; B23D45/042; B23D47/12; B23D59/00; B23D59/02; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/042; Y; Y10; Y10T; Y10T83/00; Y10T83/263; Y10T83/768; Y10T83/7755; Y10T83/7788
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) | 1943-05-21 | 1943-11-20 | 1944-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-21 | 1947-11-20 | 1948-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-21 | 1951-11-20 | 1952-05-21 | $7700.00 | Window Closed / Lapsed |