US PATENT SUBCLASS 404 / 20
.~.~ Abrasive impregnated

Current as of: June, 1999
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404 /   HD   ROAD STRUCTURE, PROCESS, OR APPARATUS

17  DF  PAVEMENT {9}
19  DF  .~ Anti-slip surface {2}
20.~.~ Abrasive impregnated

DEFINITION

Classification: 404/20

(under subclass 19) Anti-slip surface structure characterized by gritlike grains or particles (natural or synthetic)

embedded into the surface.

SEE OR SEARCH CLASS

51, Abrasive Tool Making Process, Material, or Composition, for an abrasive material or composition, per se, and see the search notes thereunder.