US2010078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of staple fibers
Assignee: Celanese Corp
•
Filing: 1932-04-14
•
Granted: 1935-08-06
•
Expires: 1952-04-14
Abstract
No abstract record available.
Inventors
- 👤 Hale Frank Corbyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10S; Y10S83/00; Y10S83/913; Y10T; Y10T83/00; Y10T83/04; Y10T83/0515; Y10T83/202; Y10T83/2066; Y10T83/207; Y10T83/2072; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4812; Y10T83/4824
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-08-05 | 1939-02-04 | 1939-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-05 | 1943-02-04 | 1943-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-05 | 1947-02-04 | 1947-08-06 | $7700.00 | Window Closed / Lapsed |