US PATENT SUBCLASS 52 / 352
.~ Integral backer and elongated support

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

344  DF  SETTABLE MATERIAL RECEIVING BACKER FIXED TO FURRING, JOIST, OR STUD {11}
352.~ Integral backer and elongated support

DEFINITION

Classification: 52/352

(under subclass 344) Structure comprising a pair of spaced parallel sheets, at least one of which is a backer for retaining settable material, and a longitudinal projection integral with at least one sheet, which projection retains the sheets in parallel, spaced relation.