US PATENT SUBCLASS 52 / 236.3
.~ Multilevel

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

234  DF  MULTIROOM OR LEVEL {4}
236.3.~ Multilevel {5}
236.4  DF  .~.~> Staggered levels
236.5  DF  .~.~> Continuous cementitious barrier
236.6  DF  .~.~> Floor intermediate wall ends
236.7  DF  .~.~> Superimposed vertical structure with spacing horizontal structure {1}
236.9  DF  .~.~> Abutting vertical structure at horizontal structure juncture

DEFINITION

Classification: 52/236.3

(under subclass 234) Structure wherein the enclosed areas are on different vertically spaced levels, e.g., multistory buildings.