US2293825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing synthetic textile fibers
Assignee: Carbide and Carbon Chemicals Corp
•
Filing: 1938-12-30
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Granted: 1942-08-25
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Expires: 1958-12-30
Abstract
No abstract record available.
Inventors
- 👤 Lee C Hosfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:44
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/225; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D5/00; D01D5/12; D01D5/16; Y; Y10; Y10S; Y10S425/00; Y10S425/017; Y10S8/00; Y10S8/10
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) | 1945-08-24 | 1946-02-23 | 1946-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-24 | 1950-02-23 | 1950-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-24 | 1954-02-23 | 1954-08-25 | $7700.00 | Window Closed / Lapsed |