US2745806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fire extinguishing composition
Assignee: Specialties Development Corp
•
Filing: 1954-07-29
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Granted: 1956-05-15
•
Expires: 1974-07-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Anthony
- 👤 Jr Robert Thomann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:13
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0028; A62D1/0035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN AQUEOUS FIRE EXTINGUISHING AND FIRE PREVENTING COMPOSITION CONSISTING OF WATER AND FROM 50% TO 60% BY WEIGHT OF THE COMPOSITION OF A SALT MIXTURE DISSOLVED IN THE WATER, SAID MIXTURE CONSISTING OF FROM 40% TO 55% BY WEIGHT OF THE COMPOSITION OF ZINC CHLORIDE AND FROM 20% TO 5% BY WEIGHT OF THE COMPOSITIONS OF HYDRATED MAGNESIUM CHLORIDE.
Claim 2
Dependent Claim
59 words
AN AQUEOUS FIRE EXTINGUISHING AND FIRE PREVENTING COMPOSITION CONSISTING OF WATER AND FROM 50% TO 60% BY WEIGHT OF THE COMPOSITION OF A SALT MIXTURE DISSOLVED IN THE WATER, SAID MIXTURE CONSISTING OF FROM 40% TO 55% BY WEIGHT OF THE COMPOSITION OF ZINC CHLORIDE AND FROM 20% TO 5% BY WEIGHT OF THE COMPOSITIONS OF HYDRATED MAGNESIUM CHLORIDE.
References Cited (Backward Citations)
US1017949A
Cited
US1633383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |