US PATENT SUBCLASS 15 / 384
.~.~.~.~ Tandem agitator units

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

3  DF  MACHINES {11}
300.1  DF  .~ With air blast or suction {26}
363  DF  .~.~ With mechanical agitating means {12}
383  DF  .~.~.~ Rotary agitator {6}
384.~.~.~.~ Tandem agitator units

DEFINITION

Classification: 15/384

(under subclass 383) Apparatus having a plurality of distinct agitating units arranged in tandem with respect to the usual path of motion of the cleaner while in use.