US2301676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-repellent textile material and a process of preparing it
Assignee: GAF Chemicals Corp
•
Filing: 1939-06-02
•
Granted: 1942-11-10
•
Expires: 1959-06-02
Abstract
No abstract record available.
Inventors
- 👤 Balle Gerhard
- 👤 Rosenbach Johann
- 👤 Orthner Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:15
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/244; D06M13/248; Y; Y10; Y10S; Y10S8/00; Y10S8/17; Y10T; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/2197
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1945-11-09 | 1946-05-11 | 1946-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-09 | 1950-05-11 | 1950-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-09 | 1954-05-11 | 1954-11-10 | $7700.00 | Window Closed / Lapsed |