Patent US2566639A successfully refreshed from Google Patents.
US2566639A
Expired / Lapsed
US
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Cutting machine
Assignee: Washington Mills Co
•
Filing: 1946-06-05
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Granted: 1951-09-04
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Expires: 1966-06-05
Abstract
No abstract record available.
Inventors
- 👤 James H Shreve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:37
CPC Classifications
D; D04; D04B; D04B35/00; D04B35/34; B; B26; B26D; B26D3/00; B26D3/001; Y; Y10; Y10T; Y10T83/00; Y10T83/727; Y10T83/739; Y10T83/768; Y10T83/7793
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1628215A
Cited
US1298005A
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US1379597A
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US1801757A
Cited
US1925841A
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US2305997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |