US2171626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric and its manufacture
Assignee: Celanese Corp
•
Filing: 1936-08-12
•
Granted: 1939-09-05
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Expires: 1956-08-12
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Henry
- 👤 Dickie William Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:36
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/02; D03; D03D; D03D15/00; D03D15/20; D03D15/208; D03D15/225; D10; D10B; D10B2201/00; D10B2201/01; D10B2201/02; D10B2201/20; D10B2201/28; D10B2211/00; D10B2211/01; D10B2211/02; D10B2211/04; D10B2401/00; D10B2401/08; D10B2401/14; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/322; Y10T442/3228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-09-04 | 1943-03-06 | 1943-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-09-04 | 1947-03-06 | 1947-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-09-04 | 1951-03-06 | 1951-09-05 | $7700.00 | Window Closed / Lapsed |