US2765273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion resisting fire extinguisher
Assignee: Stop-Fire Inc
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Filing: 1953-01-23
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Granted: 1956-10-02
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Expires: 1973-01-23
Abstract
No abstract record available.
Inventors
- 👤 Zbigniew J Lobos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:11
CPC Classifications
A; A62; A62D; A62D1/00; A62C; A62C13/00; A62C13/003; C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A FIRE EXTINGUISHER CONSTRUCTED OF BRASS AND ADAPTED TO CONTAIN AN ORGANIC HALIDE EXTINGUISHING LIQUID, HAVING THEREIN A SURFACE OF METALLIC ZINC EXPOSED TO THE LIQUID.
Claim 2
Dependent Claim
26 words
A FIRE EXTINGUISHER CONSTRUCTED OF BRASS AND ADAPTED TO CONTAIN AN ORGANIC HALIDE EXTINGUISHING LIQUID, HAVING THEREIN A SURFACE OF METALLIC ZINC EXPOSED TO THE LIQUID.
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) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |