US PATENT SUBCLASS 52 / 236.7
.~.~ Superimposed vertical structure with spacing horizontal structure

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.~.~ Superimposed vertical structure with spacing horizontal structure {1}
236.8  DF  .~.~.~> Horizontal structure includes component of settable material

DEFINITION

Classification: 52/236.7

(under subclass 236.3) Structure wherein horizontal barrier (floor-ceiling) is disposed between two vertically spaced distinct walls or columns.

SEE OR SEARCH THIS CLASS, SUBCLASS:

262+, for a barrier resting on walls or floor supporting walls.