US2289039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making textile fibers
Assignee: Sylvania Industrial Corp
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Filing: 1939-06-14
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Granted: 1942-07-07
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Expires: 1959-06-14
Abstract
No abstract record available.
Inventors
- 👤 Frank H Reichel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:58
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; D06M13/256; C; C08; C08B; C08B11/00; D06M11/00; D06M11/07; D06M11/11; D06M11/13; D06M11/51; D06M11/55; D06M11/58; D06M11/64; D06M13/08; D06M13/10; D06M13/11; D06M13/184; D06M13/188; D06M13/207; D06M13/21
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) | 1945-07-06 | 1946-01-05 | 1946-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-06 | 1950-01-05 | 1950-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-06 | 1954-01-05 | 1954-07-07 | $7700.00 | Window Closed / Lapsed |