US PATENT SUBCLASS 52 / 328
.~.~ Section on face of barrier opposite sustainer

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

319  DF  CAST IN SITU CONCRETE BARRIER WITH LATERALLY PROJECTING RIB-TYPE SUSTAINER {8}
327  DF  .~ Additional distinct coextensive section fixed to barrier or sustainer {5}
328.~.~ Section on face of barrier opposite sustainer

DEFINITION

Classification: 52/328

(under subclass 327) Structure in which the additional facing section rests on or is fixed to the surface of the barrier on the side thereof opposite to the side from which the sustainer projects, e.g., flooring above a ribbed concrete subfloor.