US PATENT SUBCLASS 52 / 309.17
.~.~ Cementitious material

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

309.1  DF  WITH SYNTHETIC RESINOUS COMPONENT {4}
309.13  DF  .~ With nonresinous component {4}
309.17.~.~ Cementitious material

DEFINITION

Classification: 52/309.17

(under subclass 309.13) Structure wherein the nonresinous component is a hydraulic cementitious material, e.g., concrete.