Patent US2529211A successfully refreshed from Google Patents.
US2529211A
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Fire extinguishing composition and method
Assignee: GAF Chemicals Corp
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Filing: 1946-01-12
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Granted: 1950-11-07
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Expires: 1966-01-12
Abstract
No abstract record available.
Inventors
- 👤 Warren F Busse
- 👤 Joseph M Lambert
- 👤 Peter P Debye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:42
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0071; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
A COMPOSITION OF MATTER IN CONCENTRATED FORM, YIELDING SOLUTIONS CAPABLE OF PRODUCING LARGE QUANTITIES OF STABLE, FIRE EXTINGUISHING AIRFOAM WHEN DILUTED WITH 7-20 PARTS OF WATER PER PART OF SAID COMPOSITION, SAID COMPOSITION CONSISTING ESSENTIALLY OF AN QUEOUS SOLUTION OF A MEMBER OF THE GROUP CONSISTING OF ANIONIC AND NON-IONIC, NON-SAPONACEOUS SURFACE-TENSEION REDUCING AGENTS IN CONCENTRATION OF AT LEAST 0.7% BUT NOT MORE THAN 40%.
References Cited (Backward Citations)
US2028091A
Cited
US2130362A
Cited
US2247741A
Cited
US2166008A
Cited
CH209469A
Cited
US2258587A
Cited
US2303366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |