(under subclass 866) Subject matter wherein the frame is composed of relatively movable parts or is of flexible material so that the loop may be folded or collapsed to occupy less space as when it is not in use.
(1) Note. Loop frames which may be readily disassembled are classified in subclass 866 above. For classification in this subclass (871) the loop frame must remain substantially in one piece when folded or collapsed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
868, for loop antennas having frames of relatively movable parts to adjust the loop coil configuration.
880+, for antennas having adjustable or collapsible supports, and particularly subclass 881 for foldable supports.
915, for reflectors or directors which are collapsible, foldable or adjustable.
SEE OR SEARCH CLASS 211, Supports: Racks, particularly
104+, 118 and 195+ for foldable or collapsible article supports and racks.
248, Supports, particularly
121, for stands and brackets and subclasses 200+ for brackets which may involve collapsible or foldable frames.
336, Inductor Devices,
196+, and particularly subclass 208, for inductor coils which
may involve collapsible or foldable frames for such coils.