US PATENT SUBCLASS 15 / 90
.~.~ Rotary drum

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

3  DF  MACHINES {11}
89  DF  .~ Beating {2}
90.~.~ Rotary drum

DEFINITION

Classification: 15/90

Cleaning-machines in which the cleaning is done by beating only by means of a rotary drum in which the work is placed.

SEE OR SEARCH CLASS

451, Abrading,

326+, for an abrading machine including means for tumbling to abrade a workpiece.