US PATENT SUBCLASS 52 / 325
.~.~ Hollow, nonrectangular filler

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}
320  DF  .~ Block-type filler between sustainers {5}
325.~.~ Hollow, nonrectangular filler

DEFINITION

Classification: 52/325

(under subclass 320) Structure in which the filler member circumscribes a cavity and has an external shape which in silhouette is other than a rectangle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

608+, for a nonrectangular cross-section block, per se, which may be used in a cast ribbed-type construction.