Patent US1809769A successfully refreshed from Google Patents.
US2154256A
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Fiber cutting machine
Assignee: NACHMAN SPRINGFIELD CORP
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Filing: 1937-08-09
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Granted: 1939-04-11
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Expires: 1957-08-09
Abstract
No abstract record available.
Inventors
- 👤 Fred R Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:30
CPC Classifications
B; B68; B68G; B68G3/00; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/099; Y10T83/647; Y10T83/6579; Y10T83/658; Y10T83/6584; Y10T83/6606; Y10T83/768; Y10T83/7684; Y10T83/7709; Y10T83/7713; Y10T83/869; Y10T83/872; Y10T83/8722
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) | 1942-04-10 | 1942-10-10 | 1943-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-04-10 | 1946-10-10 | 1947-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-04-10 | 1950-10-10 | 1951-04-11 | $7700.00 | Window Closed / Lapsed |