US PATENT SUBCLASS 37 / 238
.~.~ And rotary excavating 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}
237  DF  .~ With endless conveyor {3}
238.~.~ And rotary excavating tool

DEFINITION

Classification: 37/238

And rotary excavating tool:

(under subclass 237) Apparatus including an implement fixed to a shaft adapted to rotate when in use.