Patent US2870840A successfully refreshed from Google Patents.
US2870840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web cutting apparatus
Assignee: Paper Converting Machine Co
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Filing: 1957-05-16
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Granted: 1959-01-27
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Expires: 1977-05-16
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Kwitek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:50
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/02; B; B26; B26D; B26D1/00; B26D1/0006; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38; B26D1/385; B26F; B26F1/00; B26F1/18; B26F1/20; B26D2001/0033; B26D2001/0046; B26D2001/006; B26D2001/0066; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4699; Y10T83/4702; Y10T83/4766; Y10T83/4795; Y10T83/4824; Y10T83/4827; Y10T83/4847; Y10T83/929; Y10T83/9372; Y10T83/9396; Y10T83/9408
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |