Implements of the brush or broom type especially adapted for cleaning hollow ware and which are collapsible for entrance through the narrow mouth of such ware and expansible after entrance.
SEE OR SEARCH THIS CLASS, SUBCLASS:
72, and 212.
SEE OR SEARCH CLASS
492, Roll or Roller, particularly
4+, for an expansible roll, per se, not elsewhere classifiable and see the Notes thereto for other rolls and combinations involving rolls.