(under the class definition) Structure including modules of identical but nonrectangular form in which alternate modules are placed in reversed position.
SEE OR SEARCH THIS CLASS, SUBCLASS:
473, for a louver panel having spaced parallel slats which may be reversed.
561+, for a construction of course modules in which major distinct portions of the modules in opposed courses are laterally related to each other, particularly subclasses 569+, for such a construction wherein the modules have opposed monolithic projections.
