US PATENT SUBCLASS 15 / 26
.~.~.~.~.~ Alternating

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

3  DF  MACHINES {11}
21.1  DF  .~ Brushing {18}
22.1  DF  .~.~ Handle mount {5}
23  DF  .~.~.~ Rotary cylinder {3}
25  DF  .~.~.~.~ Manual motor {1}
26.~.~.~.~.~ Alternating

DEFINITION

Classification: 15/26

(under subclass 25) Devices in which the manually driven, hand supported, rotary cylindrical brush is arranged to turn in opposite directions alternatively.