(under the class definition) Apparatus including means whereby mode or condition of operation or use can be changed by shifting or rearranging all or some of the parts in a different relationship to each other or by addition or omission of a part.
SEE OR SEARCH THIS CLASS, SUBCLASS:
286, for an adjustable position or selectively usable retainer or a flow director for atmospheric condensate.
298+, for apparatus having means aiding in assembling, or disassembling.
