(under the class definition) Device having means to break up or reduce the size of an individual unit of hard matter.
(1) Note. Included within the definition of an individual unit are a solid metal object, a sintered mass and the individual particle of a granular mass.
SEE OR SEARCH CLASS
241, Solid Material Comminution or Disintegration, appropriate subclass, for comminuting or disintegrating apparatus, per se, and for comminuting combined with heating where no chemical change to the material heated occurs.