US2597529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for treating textile materials
Assignee: Individual
•
Filing: 1949-01-03
•
Granted: 1952-05-20
•
Expires: 1969-01-03
Abstract
No abstract record available.
Inventors
- 👤 Frank R Redman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:27
CPC Classifications
D; D06; D06C; D06C7/00; D06C7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1951004A
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US1978341A
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US2052948A
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US2133424A
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US2270125A
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US2303476A
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US2325544A
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US2325545A
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US2409543A
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US2439722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |