Patent US2940942A successfully refreshed from Google Patents.
US2940942A
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Fire retardant composition comprising gilsonite, mineral filler and fatty acid soap
Assignee: KAY O ANDERSON
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Filing: 1957-10-14
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Granted: 1960-06-14
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Expires: 1977-10-14
Abstract
No abstract record available.
Inventors
- 👤 Olaus T Hodenfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:17
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18; C08; C08L; C08L95/00; C08L97/00; C08L97/02; C09D195/00; B; B27; B27K; B27K2240/00; B27K2240/30; B27K3/00; B27K3/52; C08L2555/00; C08L2555/40; C08L2555/50; C08L2555/52; C08L2555/60; C08L2555/62; C08L2555/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A FIRE RETARDANT COMPOSITION INCLUDING BODY-FORMING MATERIAL COMPRISING A GILSONITE HAVING A MELTING POINT BETWEEN ABOUT 270 DEGREES F. AND ABOUT 200 DEGREES F. CONTAINING A SUBSTANTIAL PROPORTION OF HEAVY GILSONITIC OILS AND A SUBSTANTIAL PROPORTION OF MINERAL-FREE BITUMEN AND ABOUT 50 TO 125 PARTS OF A FINELY DIVIDED INERT FIRE RETARDANT MINERAL FILLER PER 100 PARTS OF GILSONITE DISTRIBUTED THROUGHOUT THE BODY-FORMING MATERIAL IN A STATE OF UNIFORM, FINE DISPERSION, SAID COMPOSITION ALSO CONTAINING A VERY MINOR PROPORTION OF A FATTY ACID SOAP TO MAINTAIN SAID STATE OF FINE DISPERSION.
Claim 2
Dependent Claim
91 words
A FIRE RETARDANT COMPOSITION INCLUDING BODY-FORMING MATERIAL COMPRISING A GILSONITE HAVING A MELTING POINT BETWEEN ABOUT 270 DEGREES F. AND ABOUT 200 DEGREES F. CONTAINING A SUBSTANTIAL PROPORTION OF HEAVY GILSONITIC OILS AND A SUBSTANTIAL PROPORTION OF MINERAL-FREE BITUMEN AND ABOUT 50 TO 125 PARTS OF A FINELY DIVIDED INERT FIRE RETARDANT MINERAL FILLER PER 100 PARTS OF GILSONITE DISTRIBUTED THROUGHOUT THE BODY-FORMING MATERIAL IN A STATE OF UNIFORM, FINE DISPERSION, SAID COMPOSITION ALSO CONTAINING A VERY MINOR PROPORTION OF A FATTY ACID SOAP TO MAINTAIN SAID STATE OF FINE DISPERSION.
References Cited (Backward Citations)
US2001194A
Cited
US2369472A
Cited
US2314242A
Cited
US2442706A
Cited
US2452054A
Cited
US2610920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |