(under subclass 201) Apparatus including structure forming an enclosure having one or more openings or an open front through which an article is partially inserted to project into the enclosure and be treated as by a gas or vapor or by heat. Many of these patents are devices for treating the toes or soles of shoes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
104, and indented subclasses, for apparatus restricted to hollow article drying.
SEE OR SEARCH CLASS
12, Boot and Shoe Making,
1, and see the reference to Class 12 in the main class definition, (2) Note, of this class.