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Patent US2787329A successfully refreshed from Google Patents.
US2787329A
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US
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Method of extinguishing metal fires
Assignee: Callery Chemical Co
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Filing: 1955-01-10
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Granted: 1957-04-02
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Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 William H Schechter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:45
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A METHOD OF EXTINGUISHING ACTIVE METAL FIRES WHICH COMPRISES PROJECTING A TRIALKOXYBOROXINE ONTO THE FIRE.
Claim 2
Independent Claim
15 words
A METHOD OF EXTINGUISHING ACTIVE METAL FIRES WHICH COMPRISES PROJECTING A TRIALKOXYBOROXINE ONTO THE FIRE.
References Cited (Backward Citations)
US943639A
Cited
US1813367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |