Patent US2956034A successfully refreshed from Google Patents.
US2956034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bituminous compositions
Assignee: Shell USA Inc
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Filing: 1958-04-25
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Granted: 1960-10-11
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Expires: 1978-04-25
Abstract
No abstract record available.
Inventors
- 👤 Warren C Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:58
CPC Classifications
C; C08; C08L; C08L95/00; C08L63/00; C09; C09D; C09D163/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR PREPARING A NON-SKID COATING WHICH COMPRISES APPLYING TO THE SURFACE TO BE COATED A COMPOSITION OCMPRISING A POLYEPOXIDE HAVING MORE THAN ONE VIC-OPOXY GROUP, APOLYMERIZED UNSATUREATED LONG CHAIN ACID, AND PETROLEUM DERIVED BITUMINOUS MATERIAL, AND AN EPOXY CURING AGENT SELECTED FROM THE GROUP CONSISTING OF AMINES, CARBOXYLIC ACID ANHYDRIDES, AND BORON TRIFLUORIDE COMPLEXED, SPREADING FINELY DIVIDED INERT PARTICLES OVER THE COATING AND THEN ALLOWING THE COATING TO CURE.
Claim 2
Dependent Claim
71 words
A PROCESS FOR PREPARING A NON-SKID COATING WHICH COMPRISES APPLYING TO THE SURFACE TO BE COATED A COMPOSITION OCMPRISING A POLYEPOXIDE HAVING MORE THAN ONE VIC-OPOXY GROUP, APOLYMERIZED UNSATUREATED LONG CHAIN ACID, AND PETROLEUM DERIVED BITUMINOUS MATERIAL, AND AN EPOXY CURING AGENT SELECTED FROM THE GROUP CONSISTING OF AMINES, CARBOXYLIC ACID ANHYDRIDES, AND BORON TRIFLUORIDE COMPLEXED, SPREADING FINELY DIVIDED INERT PARTICLES OVER THE COATING AND THEN ALLOWING THE COATING TO CURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |