Patent US2397974A successfully refreshed from Google Patents.
US2397974A
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Cutting machine
Assignee: BOWDIL CO
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Filing: 1943-09-15
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Granted: 1946-04-09
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Expires: 1963-09-15
Abstract
No abstract record available.
Inventors
- 👤 Harry M Morrow
- 👤 Virgil O Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:26
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/04; B23D47/042; B23D47/08; B23Q; B23Q7/00; B23Q7/04; B23Q7/041; B23Q7/042; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/307224; Y10T409/30728; Y10T83/00; Y10T83/081; Y10T83/086; Y10T83/088; Y10T83/089; Y10T83/444; Y10T83/4455; Y10T83/4493; Y10T83/463; Y10T83/4632; Y10T83/647; Y10T83/654; Y10T83/6568; Y10T83/768; Y10T83/7755; Y10T83/7788; Y10T83/869; Y10T83/8719
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) | 1949-04-08 | 1949-10-08 | 1950-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-08 | 1953-10-08 | 1954-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-08 | 1957-10-08 | 1958-04-09 | $7700.00 | Window Closed / Lapsed |