US PATENT SUBCLASS 15 / 42
.~.~.~.~ Auxiliary brush

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}
40  DF  .~.~ Flexible-fabric cleaners {1}
41.1  DF  .~.~.~ Carpet sweeper {9}
42.~.~.~.~ Auxiliary brush

DEFINITION

Classification: 15/42

Machines characterized by the use of a main brush and an auxiliary brush of different character, mounting, or relation to the direction of travel of the machine.

SEE OR SEARCH THIS CLASS, SUBCLASS:

8, 9, 10, 11, and 78-87.