Patent US2349864A successfully refreshed from Google Patents.
Patent US1642081A successfully refreshed from Google Patents.
US1642081A
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Apparatus for slitting continuously-moving material
Assignee: Dahlberg & Co Inc
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Filing: 1925-09-04
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Granted: 1927-09-13
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Expires: 1945-09-04
Abstract
No abstract record available.
Inventors
- 👤 Treadway B Munroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:45
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/20; B26D1/205; B26D1/22; B26D1/225; B26D7/00; B26D2007/0012; B26D2007/0068; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2074; Y10T83/2083; Y10T83/303; Y10T83/647; Y10T83/6476; Y10T83/6489; Y10T83/6584; Y10T83/6603; Y10T83/768; Y10T83/7751; Y10T83/7755; Y10T83/7788; Y10T83/7793; Y10T83/7863
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) | 1930-09-12 | 1931-03-14 | 1931-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-09-12 | 1935-03-14 | 1935-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-09-12 | 1939-03-14 | 1939-09-13 | $7700.00 | Window Closed / Lapsed |