US PATENT SUBCLASS 52 / 580
.~ Opposed discrete edger-spacers; e.g., hollow panels

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

578  DF  MODULE OR PANEL HAVING DISCRETE EDGEWISE OR FACE-TO-FACE CONNECTING FEATURE {6}
580.~ Opposed discrete edger-spacers; e.g., hollow panels

DEFINITION

Classification: 52/580

(under subclass 578) Structure wherein the modular or panel units are made of sheets which are located in face-to-face spaced apart relationship by members joining and forming at least two of the opposing edges of the resultant composite module and also connecting the resultant panel edgewise of an adjacent panel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

782.1+, for a composite panel wherein its facing is spaced by edger-spacers but having no feature for edge-to-edge interkeying of adjacent panels.