US PATENT SUBCLASS 15 / 104.16
.~.~.~.~ Scraper, cutter, wiper or brush

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

104.001  DF  IMPLEMENTS {28}
104.03  DF  .~ Pipe, tube, or conduit cleaner {2}
104.05  DF  .~.~ Inside {8}
*  DD  .~.~.~ Reciprocating tool {2}
104.16.~.~.~.~ Scraper, cutter, wiper or brush {5}
104.165  DF  .~.~.~.~.~> Non-piercing fabric holder
104.17  DF  .~.~.~.~.~> Expanding at both ends
104.18  DF  .~.~.~.~.~> Expanding at one end
104.19  DF  .~.~.~.~.~> Expanding between ends
104.2  DF  .~.~.~.~.~> Radial bristle

DEFINITION

Classification: 15/104.16

The tool moves longitudinally of the tube and cuts, scrapes, disintegrates, wipes, or brushes deposits from the pipe walls.