Patent US3012486A successfully refreshed from Google Patents.
US3012486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bituminous compositions
Assignee: Shell USA Inc
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Filing: 1959-03-30
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Granted: 1961-12-12
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Expires: 1979-03-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Newey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:56
CPC Classifications
C; C09; C09D; C09D163/00; C09D157/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PROCESS FOR PREPARING AN IMPROVED SURFACE FOR TRAFFIC AREAS WHICH COMPRISES MIXING A LIQUID POLYEPOXIDE HAVING MORE THAN ONE VIC-EPOXY GROUP WITH AN ASPHALTIC MATERIAL, A COPOLYMER OF AN ACRYLIC ACID AND ETHYLENICALLY UNSATURATED HYDROCARBON AND HEATED AGGREGATE, MIXING THE COMPONENTS TOGETHER, SPREADING THE MIXTURE TO THE DESIRED THICKNESS, COMPACTING AND ALLOWING TO SET HARD.
Claim 2
Dependent Claim
56 words
A PROCESS FOR PREPARING AN IMPROVED SURFACE FOR TRAFFIC AREAS WHICH COMPRISES MIXING A LIQUID POLYEPOXIDE HAVING MORE THAN ONE VIC-EPOXY GROUP WITH AN ASPHALTIC MATERIAL, A COPOLYMER OF AN ACRYLIC ACID AND ETHYLENICALLY UNSATURATED HYDROCARBON AND HEATED AGGREGATE, MIXING THE COMPONENTS TOGETHER, SPREADING THE MIXTURE TO THE DESIRED THICKNESS, COMPACTING AND ALLOWING TO SET HARD.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US2906720A
Cited
US2956034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |