US2485230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of nylon and other yarns
Assignee: Wolsey Ltd
•
Filing: 1946-08-20
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Granted: 1949-10-18
•
Expires: 1966-08-20
Abstract
No abstract record available.
Inventors
- 👤 Alexander Peter
- 👤 Burrows Henry
- 👤 Smith Philip Dawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:46
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/01; D06M11/05; D06Q; D06Q1/00; D06Q1/08; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |