US PATENT SUBCLASS 37 / 202
.~.~ Fluid current conveyor

Current as of: June, 1999
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37 /   HD   EXCAVATING

196  DF  SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE {16}
198  DF  .~ Railway clearer {7}
202.~.~ Fluid current conveyor

DEFINITION

Classification: 37/202

Fluid current conveyor:

(under subclass 198) Apparatus wherein snow or ice is transported by a stream of flowable material.