Patent US2459620A successfully refreshed from Google Patents.
US2459620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing textile materials
Assignee: Individual
•
Filing: 1946-02-12
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Granted: 1949-01-18
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Expires: 1966-02-12
Abstract
No abstract record available.
Inventors
- 👤 Cleeland Roy
- 👤 Louis J Kelley
- 👤 Darby Upper
- 👤 Walter S Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:22
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/40; D02G3/402; D02G3/32; D03; D03D; D03D23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US590842A
Cited
US1564238A
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US1772109A
Cited
US2217049A
Cited
US2380003A
Cited
US2313058A
Cited
US2411326A
Cited
US2401389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |