US PATENT SUBCLASS 15 / 104.04
.~.~ Outside

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}
104.04.~.~ Outside

DEFINITION

Classification: 15/104.04

Devices for cleaning the outside of pipes or tubes.

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88, for machines for brushing pipe exteriors.

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29, Metal Working,

81.02+,.