Patent US2858895A successfully refreshed from Google Patents.
US2858895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and compositions for controlling fires
Assignee: US Borax Inc
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Filing: 1957-03-29
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Granted: 1958-11-04
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Expires: 1977-03-29
Abstract
No abstract record available.
Inventors
- 👤 George A Connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:10
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/0009; A62C99/0045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COMPOSITION FOR COATING SURFACES OF FUEL IN THE PATH OF A FIRE TO RETARD THE SAME, SAID COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS SUSPENSION OF FINELY DIVIDED SOLID CALCIUM-CONTAINING BORATE IN A CONCENTRATION BETWEEN ABOUT 3 AND ABOUT 20 POUNDS OF SAID BORATE PER GALLON OF WATER.
Claim 2
Dependent Claim
48 words
A COMPOSITION FOR COATING SURFACES OF FUEL IN THE PATH OF A FIRE TO RETARD THE SAME, SAID COMPOSITION CONSISTING ESSENTIALLY OF AN AQUEOUS SUSPENSION OF FINELY DIVIDED SOLID CALCIUM-CONTAINING BORATE IN A CONCENTRATION BETWEEN ABOUT 3 AND ABOUT 20 POUNDS OF SAID BORATE PER GALLON OF WATER.
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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |