US3245904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire retardant
Assignee: Union Oil Company of California
•
Filing: 1962-07-03
•
Granted: 1966-04-12
•
Expires: 1982-07-03
Abstract
No abstract record available.
Inventors
- 👤 Donald C Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:21
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A HIGHLY VISCOUS AND GELATINOUS FIRE RETARDANT AND EXTINGUISHANT WHICH COMPRISES AND AQUEOUS COMPOSITION OF AMMONIUM ORTHOPHOSPHATE CONTAINING BETWEEN ABOUT 2 AND 35 WEIGHT PERCENT PHOSPHOROUS CALCULATED AS P2O5 AND AN AMMONIA CONTENT EXPRESSED AS PARTS BY WEIGHT OF NITROGEN PER PART OF SAID PHOSPHOROUS CALCULATED AS P2O5 BETWEEN ABOUT 0.26 AND ABOUT 0.39; AND AMMONIUM ORTHOPHOSPHATE HAVING A PH GREATER THAN 5.1 AND LESS THAN 7.8
Claim 2
Dependent Claim
67 words
A HIGHLY VISCOUS AND GELATINOUS FIRE RETARDANT AND EXTINGUISHANT WHICH COMPRISES AND AQUEOUS COMPOSITION OF AMMONIUM ORTHOPHOSPHATE CONTAINING BETWEEN ABOUT 2 AND 35 WEIGHT PERCENT PHOSPHOROUS CALCULATED AS P2O5 AND AN AMMONIA CONTENT EXPRESSED AS PARTS BY WEIGHT OF NITROGEN PER PART OF SAID PHOSPHOROUS CALCULATED AS P2O5 BETWEEN ABOUT 0.26 AND ABOUT 0.39; AND AMMONIUM ORTHOPHOSPHATE HAVING A PH GREATER THAN 5.1 AND LESS THAN 7.8
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |