Patent US2808884A successfully refreshed from Google Patents.
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 12:10
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US39074A
Cited
US639409A
Cited
US1290555A
Cited
US1538349A
Cited
US1931860A
Cited
US2112939A
Cited
US2092241A
Cited
US2167916A
Cited
US2140566A
Cited
US2180202A
Cited
US2221716A
Cited
US2205034A
Cited
US2234105A
Cited
US2296298A
Cited
US2292723A
Cited
US2296253A
Cited
US2391719A
Cited
US2604942A
Cited
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 |