US PATENT SUBCLASS 37 / 222
.~.~.~ Including rotary tool

Current as of: June, 1999
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37 /   HD   EXCAVATING

196  DF  SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE {16}
219  DF  .~ Snow or ice surface groomer {3}
221  DF  .~.~ Having diverse tools {1}
222.~.~.~ Including rotary tool

DEFINITION

Classification: 37/222

Including rotary tool:

(under subclass 221) Apparatus including an implement fixed to a shaft adapted to rotate when in use.