US PATENT SUBCLASS 15 / 79.2
.~.~.~.~ Motor powered sweeper

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}
78  DF  .~.~ Street sweepers {5}
79.1  DF  .~.~.~ Hand directed {1}
79.2.~.~.~.~ Motor powered sweeper

DEFINITION

Classification: 15/79.2

Motor powered sweeper:

(under subclass 79.1) Subject matter having energy converting means (e.g., an internal combustion engine) to drive the brush.