US2003404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slitting mechanism for paper making machines
Assignee: BAGLEY AND SEWALL Co
•
Filing: 1931-09-16
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Granted: 1935-06-04
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Expires: 1951-09-16
Abstract
No abstract record available.
Inventors
- 👤 Charles W Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:04
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/20; B26D1/205; B26D1/22; B26D1/225; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2066; Y10T83/207; Y10T83/647; Y10T83/6584; Y10T83/6603; Y10T83/768; Y10T83/7684; Y10T83/7722; Y10T83/7751; Y10T83/7793; 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) | 1938-06-03 | 1938-12-03 | 1939-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-06-03 | 1942-12-03 | 1943-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-06-03 | 1946-12-03 | 1947-06-04 | $7700.00 | Window Closed / Lapsed |