US2768952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for and method of extinguishing light metal fires
Assignee: Specialties Development Corp
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Filing: 1954-05-05
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Granted: 1956-10-30
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Expires: 1974-05-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Anthony
- 👤 Jr Robert Thomann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:12
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0007; A62D1/0014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A COMPOSITON FOR EXTINGUISHING LIGHT METAL FIRES WHICH CONSTISTS ESSENTIALLY OF A MIXTURE OF BETWEEN ABOUT 45 AND ABOUT 80 PARTS BY WEIGH SODIUM CHLORIDE, AND BETWEEN ABOUT 55 AND ABOUT 20 PARTS BY WEIGHT DIAMMONIUM HYDROGEN PHOSPHATE.
Claim 2
Dependent Claim
38 words
A COMPOSITON FOR EXTINGUISHING LIGHT METAL FIRES WHICH CONSTISTS ESSENTIALLY OF A MIXTURE OF BETWEEN ABOUT 45 AND ABOUT 80 PARTS BY WEIGH SODIUM CHLORIDE, AND BETWEEN ABOUT 55 AND ABOUT 20 PARTS BY WEIGHT DIAMMONIUM HYDROGEN PHOSPHATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |