US2301481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile fabric and method of preparation thereof
Assignee: Hercules Powder Co
•
Filing: 1939-07-22
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Granted: 1942-11-10
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Expires: 1959-07-22
Abstract
No abstract record available.
Inventors
- 👤 William W Trowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:45
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/90; D06P1/92; D06P1/928; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/09; D06P1/0036; D06P1/39; D06P1/44; D06P1/46; D06P1/48; D06P1/50; D06P1/922; D06P1/926
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) | 1945-11-09 | 1946-05-11 | 1946-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-09 | 1950-05-11 | 1950-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-09 | 1954-05-11 | 1954-11-10 | $7700.00 | Window Closed / Lapsed |