US2662598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multibladed disk knife slitting mechanism
Assignee: Individual
•
Filing: 1947-12-10
•
Granted: 1953-12-15
•
Expires: 1967-12-10
Abstract
No abstract record available.
Inventors
- 👤 Howard A Burdwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:56
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/04; B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/22; B26D1/225; B26D3/00; B26D3/02; C; C14; C14B; C14B5/00; C14B2700/00; C14B2700/11; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7684; Y10T83/7751; Y10T83/7809; Y10T83/7851; Y10T83/7855
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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |