US2804886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low friction fabric material
Assignee: Individual
•
Filing: 1955-11-04
•
Granted: 1957-09-03
•
Expires: 1975-11-04
Abstract
No abstract record available.
Inventors
- 👤 Charles S White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:09
CPC Classifications
D; D03; D03D; D03D25/00; Y; Y10; Y10S; Y10S277/00; Y10S277/935; Y10S277/936; Y10S384/00; Y10S384/90; Y10S384/911; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/4971; Y10T29/49826; Y10T29/4984; Y10T29/49844; Y10T29/49845; Y10T29/49853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2208090A
Cited
US2551175A
Cited
US2540874A
Cited
US2542297A
Cited
US2685707A
Cited
US2718452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |