US PATENT SUBCLASS 15 / 340.3
.~.~.~ Including brush

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}
340.1  DF  .~.~ Power propelled vehicle or carrier {2}
340.3.~.~.~ Including brush {1}
340.4  DF  .~.~.~.~> Plural brushes

DEFINITION

Classification: 15/340.3

Including brush:

(under subclass 340.1) Subject matter having means for sweeping or loosening foreign material from the work surface.