(under the class definition) Apparatus where some apparatus feature is claimed in addition to: (1) means for introducing the work into, holding or conveying the work within, or discharging the work from the apparatus, or (2) means for feeding, discharging, holding, directing, or agitating the treating fluids, or (3) means for collecting or discharging treating fluid drainage; or apparatus which, by manipulation of its parts (including addition, removal, or change of position), may be converted from apparatus of one character to apparatus of a second character, other than the combinations provided for in preceding subclasses.
