US2808884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing staple fibers from continuous strands of textile fibers
Assignee: Pacific Mills
•
Filing: 1954-04-05
•
Granted: 1957-10-08
•
Expires: 1974-04-05
Abstract
No abstract record available.
Inventors
- 👤 William E Shann
- 👤 Silas M Wheelock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:29
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10S; Y10S83/00; Y10S83/913; Y10T; Y10T83/00; Y10T83/465; Y10T83/474; Y10T83/4766; Y10T83/4795; Y10T83/4824; Y10T83/4827; Y10T83/483; Y10T83/4838; Y10T83/647; Y10T83/6579; Y10T83/727; Y10T83/738
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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |