US2526738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Woven fabric
Assignee: Celanese Corp
•
Filing: 1946-09-10
•
Granted: 1950-10-24
•
Expires: 1966-09-10
Abstract
No abstract record available.
Inventors
- 👤 Finlayson Donald
- 👤 Crawshaw Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:12
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/54; D; D03; D03D; D03D1/00; D03D1/0094; D03D3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24132; Y10T428/249921; Y10T428/249922; Y10T428/29; Y10T428/2913; Y10T428/2915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US40379A
Cited
US905946A
Cited
AT48527B
Cited
US1640946A
Cited
GB333279A
Cited
US2096592A
Cited
US2217826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |