US PATENT SUBCLASS 37 / 258
.~.~.~ Having plural vane segments

Current as of: June, 1999
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37 /   HD   EXCAVATING

196  DF  SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE {16}
244  DF  .~ Motorized rotary excavating tool {8}
257  DF  .~.~ Screw-type auger {1}
258.~.~.~ Having plural vane segments

DEFINITION

Classification: 37/258

Having plural vane segments:

(under subclass 257) Apparatus wherein the vanes means comprises a plurality of plate-like elements secured to the shaft.