US PATENT SUBCLASS 15 / 104.09
.~.~.~ Rotary tool

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}
104.09.~.~.~ Rotary tool {4}
104.095  DF  .~.~.~.~> Power source outside tube end {2}
104.12  DF  .~.~.~.~> Contiguous fluid motor
104.13  DF  .~.~.~.~> Plural rotary cutter
104.14  DF  .~.~.~.~> Centrifugally pivoted

DEFINITION

Classification: 15/104.09

The tool itself is adapted to be rotated in the tube while cleaning it and must be rotated to function properly.

(1) Note. See Class 29, Metal Working, subclasses 81.01+.