(under subclass 596) Structure in which the stone-like module
has a plurality of narrow elongated indentations extending across a surface thereof from one edge to another, which surface, in use, faces an adjacent module.
SEE OR SEARCH THIS CLASS, SUBCLASS:
437+, for a module with mortar filled channels in adjacent faces.
444, for a block type backer for plaster type facing in which the blocks have an integral settable material retaining feature.
603, for an integral spacing projection or protuberance which extends outwardly of a major surface of a stone-like module.
606, for a mortar gripping feature in the form of projections located within a traversing passage of a stone-like module.
