DECORATIVE, PRECAST, CEMENTITIOUS STRUCTURE HAVING A MICRO-TEXTURED, LASER-ENGRAVED, FRONT SURFACE
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United States of America Patent
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Issued Date -
Dec 3, 2015
app pub date -
May 27, 2015
filing date -
May 30, 2014
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Abstract
A decorative, precast, cementitious structure is provided. The structure comprises a cementitious composition comprised of a cement and an aggregate substantially homogeneously distributed through the composition. The structure has a relatively smooth front surface with a micro-textured region engraved by a laser beam having energy which is absorbed by a void-free front surface layer of the structure to at least initiate ablation of the material of the surface layer at a pattern of predetermined locations on the front surface to form the micro-textured region.
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