US PATENT SUBCLASS 52 / 447
.~ Separate sections with connecting feature

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

443  DF  WITH MEANS (E.G., APERTURES, PROJECTIONS) FOR RECEIVING SETTABLE MATERIAL FACING (E.G., PLASTER) {8}
447.~ Separate sections with connecting feature {1}
448  DF  .~.~> Interengaging edge joint

DEFINITION

Classification: 52/447

(under subclass 443) Structure in which the backer is made of plural rigid sheetlike sections including discrete means or integral configurations which connect them in edge-to-edge relationship.

SEE OR SEARCH THIS CLASS, SUBCLASS:

578+, for another construction or a panel involving a discrete edge-to-edge connecting feature.