US2566964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-retardant paints
Assignee: United States Gypsum Co
•
Filing: 1948-04-24
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Granted: 1951-09-04
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Expires: 1968-04-24
Abstract
No abstract record available.
Inventors
- 👤 Herman A Scholz
- 👤 Earl E Saville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:14
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18; C09D5/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A WATER-SOLUBLE FIRE-RETARDANT COATING COMPOSITION COMPRISING FROM ABOUT 10% TO ABOUT 30% OF A POTENTIALLY HARDENALE WATER-SOLUBLE AMINOPLAST RESIN, FROM ABOUT 30% TO ABOUT 50% OF ACID-REACTING AMMONIUM PHOSPHATES, AND SUFFICIENT OF A MIXTURE OF SUBSTANTIAL QUANTITIES EACH OF AT LEAST TWO PIGMENTS TO MAKE A TOTAL OF 100% ONE OF SAID PIGMENTS BEING SELECTED FROM THE GROUP CONSISTING OF BARYTES, GYPSUM, LITHOPONE, ZINC SULFIDE, AND TITANIUM OXIDES, AND THE OTHER SELECTED FROM THE GROUP CONSISTING OF SILICA, CLAY, PYROPHYLLITE, TALC AND MICA.
Claim 2
Dependent Claim
83 words
A WATER-SOLUBLE FIRE-RETARDANT COATING COMPOSITION COMPRISING FROM ABOUT 10% TO ABOUT 30% OF A POTENTIALLY HARDENALE WATER-SOLUBLE AMINOPLAST RESIN, FROM ABOUT 30% TO ABOUT 50% OF ACID-REACTING AMMONIUM PHOSPHATES, AND SUFFICIENT OF A MIXTURE OF SUBSTANTIAL QUANTITIES EACH OF AT LEAST TWO PIGMENTS TO MAKE A TOTAL OF 100% ONE OF SAID PIGMENTS BEING SELECTED FROM THE GROUP CONSISTING OF BARYTES, GYPSUM, LITHOPONE, ZINC SULFIDE, AND TITANIUM OXIDES, AND THE OTHER SELECTED FROM THE GROUP CONSISTING OF SILICA, CLAY, PYROPHYLLITE, TALC AND MICA.
References Cited (Backward Citations)
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Cited
US2299612A
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US2385500A
Cited
US2399489A
Cited
US2452054A
Cited
US2437799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |