US PATENT SUBCLASS 37 / 248
.~.~ Diverse multistage rotary tools or tool portions (e.g., feeding and throwing, etc.)

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}
248.~.~ Diverse multistage rotary tools or tool portions (e.g., feeding and throwing, etc.) {1}
249  DF  .~.~.~> Including screw-type auger for first stage {2}

DEFINITION

Classification: 37/248

Diverse multistage rotary tools or tool portions (e.g., feeding and throwing, etc.):

(under subclass 244) Apparatus including either a plurality of differently configured rotary implements, or a rotary implements having a plurality of a differently configured sections, the implements or sections adapted to accomplish various steps in the process of excavating snow or ice.

(1) Note. An example of the apparatus found in this subclass and its indents comprises a first rotary implement feeding snow to a second rotary implement, which throws the snow and away from the apparatus.