US2160375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-repellent textile material and process of manufacturing it
Assignee: IG Farbenindustrie AG
•
Filing: 1936-12-31
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Granted: 1939-05-30
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Expires: 1956-12-31
Abstract
No abstract record available.
Inventors
- 👤 Voss Arthur
- 👤 Staerk Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:44
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/267; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2221
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) | 1942-05-29 | 1942-11-28 | 1943-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-29 | 1946-11-28 | 1947-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-29 | 1950-11-28 | 1951-05-30 | $7700.00 | Window Closed / Lapsed |