US2634810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary knife fiber cutting apparatus
Assignee: Akzo Nobel UK PLC
•
Filing: 1951-05-25
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Granted: 1953-04-14
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Expires: 1971-05-25
Abstract
No abstract record available.
Inventors
- 👤 Charles W Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:33
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10T; Y10T83/00; Y10T83/303; Y10T83/647; Y10T83/6473; Y10T83/768; Y10T83/7684; Y10T83/7709
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2278662A
Cited
US2279718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |