(under subclass 371) Framed type devices having means by which they may be reduced to a more compact arrangement or bundle when not in operative position.
SEE OR SEARCH THIS CLASS, SUBCLASS:
130+, for plural frames or panels interconnected for relative motion by means of which the unit or assembly may be so reduced, particularly subclasses 222+ for those slidably interconnected and subclasses 229.1+ for those pivotally interconnected at their adjacent edges.
372+, for framed devices having means by which the frame dimensions may be changed.
