US2818382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire extinguishing composition
Assignee: Individual
•
Filing: 1954-02-24
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Granted: 1957-12-31
•
Expires: 1974-02-24
Abstract
No abstract record available.
Inventors
- 👤 Andre G Rotival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:55
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0028; A62D1/0057
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A FIRE EXTINGUISHING COMPOSITION WHICH IS A MIXTURE OF 10-40 PARTS BY WEIGHT OF A CHIORO-DIFFUORO METHANE HAVING NOT LESS THAN ONE, NO MORE THAN TWO CHLORINE ATOMS WITH 90-60 PARTS BY WEIGHT OF A MIXTURE OF BROMOFORM AND ETHUL BROMIDE.
Claim 2
Dependent Claim
41 words
A FIRE EXTINGUISHING COMPOSITION WHICH IS A MIXTURE OF 10-40 PARTS BY WEIGHT OF A CHIORO-DIFFUORO METHANE HAVING NOT LESS THAN ONE, NO MORE THAN TWO CHLORINE ATOMS WITH 90-60 PARTS BY WEIGHT OF A MIXTURE OF BROMOFORM AND ETHUL BROMIDE.
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) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |