US PATENT SUBCLASS 37 / 220
.~.~ Including rut cutter

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}
220.~.~ Including rut cutter

DEFINITION

Classification: 37/220

Including rut cutter:

(under subclass 219) Apparatus which includes means adapted to cut a groove in the surface.