US2395724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of animal fibers to reduce their tendency to felt
Assignee: Tootal Broadhurst Lee Co Ltd
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Filing: 1942-06-30
•
Granted: 1946-02-26
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Expires: 1962-06-30
Abstract
No abstract record available.
Inventors
- 👤 Cowley John Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:13
CPC Classifications
D; D06; D06M; D06M16/00; D06M16/003; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M23/00
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) | 1949-02-25 | 1949-08-27 | 1950-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-02-25 | 1953-08-27 | 1954-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-02-25 | 1957-08-27 | 1958-02-26 | $7700.00 | Window Closed / Lapsed |