US2154231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of matter for the preparation of fire extinguishing foam
Assignee: IG Farbenindustrie AG
•
Filing: 1935-08-02
•
Granted: 1939-04-11
•
Expires: 1955-08-02
Abstract
No abstract record available.
Inventors
- 👤 Daimler Karl
- 👤 Paquin Max
- 👤 Riedelsberger Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:49
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0071; A62D1/0078; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04
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) | 1942-04-10 | 1942-10-10 | 1943-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-04-10 | 1946-10-10 | 1947-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-04-10 | 1950-10-10 | 1951-04-11 | $7700.00 | Window Closed / Lapsed |