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US3562379A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of casting a simulated marble building product

Assignee: EIDP Inc
•
Filing: 1968-12-19
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Granted: 1971-02-09
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Expires: 1988-12-19
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Abstract

Abstract A PROCESS FOR CASTING A SIMULATED, MARBLE BUILDING PRODUCT INCLUDING MIXING AND INITIATING POLYMERIZATION OF AN ORGANIC POLYMERIZABLE MATERIAL POSSESSING A RELATIVELY HIGH VISOSITY WITH AT LEAST ONE DISCRETE COHERENT ADDITIONAL STREAM OF A COMPATIBLE SECOND MATERIAL OF A DIFFERING COLOR, SAID ADDITIONAL STREAM HAVING A RELATIVELY LOW VISCOSITY, ACCUMLATING THE TWO COEXTENSIVE SEPARATELY IDENTIFIABLE MATERIALS OF PREDETERMNED PROPORTIONS AND APPLYING A LIMITED, CONTROLLED LOW ORDER MIXING ACTION TO PROGESSIVELY DISPLACE THE SECOND STREAM IN A PREDETERMINED REPRODUCIBLE THREE DIMENSIONAL CONFIGURATION THROUGHOUT THE POLYMERIZING MASS, EXTRUDING THE PATTERNED MASS THROUGH AN EXTRUSION ORIFICE AND SOLIDIFYING THE EXTRUDATE IN A MOLD ASSEMBLY TO PRESERVE THE REPODUCIBLE, THREE DIMENSIONAL, IRREGULAR PATTERN AND PREDETERMINED COLOR RELATIONSHIP SIMULATING NATURAL STONE OR MARBLE.

Inventors

  • 👤 Ray Brown Duggins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 14:18
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/20; B; B44; B44F; B44F9/00; B44F9/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-02-08 1974-08-10 1975-02-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-08 1978-08-10 1979-02-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-08 1982-08-10 1983-02-09 $7700.00 Window Closed / Lapsed

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