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Patent US2643719A successfully refreshed from Google Patents.
US2643719A
Expired / Lapsed
US
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Web-slitting machine with minutely variable cutting-roll equipment
Assignee: Individual
•
Filing: 1950-04-20
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Granted: 1953-06-30
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Expires: 1970-04-20
Abstract
No abstract record available.
Inventors
- 👤 Schneider Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:30
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/0006; B26D2001/0046; B26D2001/0053; B26D2001/0066; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9396; Y10T83/9401
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |