US3822207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-fighting
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1972-06-27
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Granted: 1974-07-02
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Expires: 1992-06-27
Abstract
Abstract CHLOROPHNTAFLUOROETHANE IS A GENERAL PURPOSE FIRE EXTINGUISHING AGENT OF LOW TOXICITY. IN A MIXTURE WITH OTHER HALOGENATED ALKANES, ESPECIALLY BROMOCHLORODIFLUOROMETHANE AND BROMOTRIFLUOROMETHANE, VERY EFFECTIVE EXTINGUISHING COMPOSITIONS MAY BE MADE GIVING LOW CONCENTRATIONS OF BREAKDOWN PRODUCTS IN USE AGAINST LIQUID FUEL FIRES.
Inventors
- 👤 R Howard
- 👤 D Lomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:37
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0028; A62D1/0057
Claims Analysis
Total Claims: 0
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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) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |