US PATENT SUBCLASS 15 / 256.52
.~.~.~ Rotary

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

246  DF  ATTACHMENTS {8}
256.5  DF  .~ Moving surface scraper, wiper, or brush {2}
256.51  DF  .~.~ Roll cleaners {2}
256.52.~.~.~ Rotary

DEFINITION

Classification: 15/256.52

(under subclass 256.51) Apparatus in which the cleaning means for the working surface turns about its own axis.