US PATENT SUBCLASS 52 / 236.8
.~.~.~ Horizontal structure includes component of settable material

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

234  DF  MULTIROOM OR LEVEL {4}
236.3  DF  .~ Multilevel {5}
236.7  DF  .~.~ Superimposed vertical structure with spacing horizontal structure {1}
236.8.~.~.~ Horizontal structure includes component of settable material

DEFINITION

Classification: 52/236.8

(under subclass 236.7) Structure wherein a portion of the horizontal barrier has a cast in situ component at the juncture with the vertical walls or columns.