US2328431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for rendering textile materials water repellent
Assignee: GAF Chemicals Corp
•
Filing: 1939-05-16
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Granted: 1943-08-31
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Expires: 1959-05-16
Abstract
No abstract record available.
Inventors
- 👤 Doser Arnold
- 👤 Bayer Otto
- 👤 Hintzmann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:57
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/188; D06M11/00; D06M11/07; D06M11/11; D06M11/20; D06M13/02; D06P; D06P5/00; D06P5/02; D06P5/10; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/2205
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) | 1946-08-30 | 1947-03-01 | 1947-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-30 | 1951-03-01 | 1951-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-30 | 1955-03-01 | 1955-08-31 | $7700.00 | Window Closed / Lapsed |