US PATENT SUBCLASS 37 / 241
.~ Combined or convertible


Current as of: June, 1999
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37 /   HD   EXCAVATING

196  DF  SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE {16}
241.~ Combined or convertible {1}
242  DF  .~.~> Rotary excavating tool {1}


DEFINITION

Classification: 37/241

Combined or convertible:

(under subclass 196) Apparatus having means associated therewith for performing some function, normally the subject matter of another class, in addition to the basic operation of excavation; or which can by an adjustment, addition, removal, or reassembly of one or more of its parts become basic subject matter or another class.