US2961909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staple fiber cutting machine with stationary blade deflected toward rotary cutting blades
Assignee: Akzo Nobel UK PLC
•
Filing: 1958-03-11
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Granted: 1960-11-29
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Expires: 1978-03-11
Abstract
No abstract record available.
Inventors
- 👤 Herman W Hemker
- 👤 Carl E Herschel
- 👤 Wizon Irvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:25
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10S; Y10S29/00; Y10S29/052; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4847
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1515377A
Cited
US2768689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |