Patent US2680823A successfully refreshed from Google Patents.
Patent US3684707A successfully refreshed from Google Patents.
US3684707A
Expired / Lapsed
US
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Slurry for ablative water systems comprising a cross-linked polymer gelling agent and a time delay carrier
Assignee: Individual
•
Filing: 1970-05-19
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Granted: 1972-08-15
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Expires: 1990-05-19
Abstract
Abstract PREPARATION OF ABLATIVE WATER FOR APPLICATION IN AUTOMATIC SPRINKLER SYSTEMS IS FACILITATED WHEN USING SOLID, PARTICULATE GELLING AGENTS BY STORING A SLURRY OF GELLING AGENT IN A CARRIER LIQUID FOR SUBSEQUENT MIXING WITH WATER WHEN THE FORMATION OF AN ABLATIVE WATER SYSTEM IS REQUIRED TO COMBAT FIRE. THE UNIFORM ADMIXTURE OF GELLING AGENT WITH WATER TO PROVIDE ABLATIVE WATER CONSISTING OF A UNIFORM GEL IS IMPLEMENTED BY THE USE OF A SLURRY COMPRISING A PARTICULAR CARRIER.
Inventors
- 👤 William L Livingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:29
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0064
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |