US PATENT SUBCLASS 172 / 146
.~.~ Four or more


Current as of: June, 1999
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172 /   HD   EARTH WORKING

133  DF  DIVERSE TOOLS {29}
145  DF  .~ Three or more diverse implements following same path (A, B, C, or A, B, A,) {3}
146.~.~ Four or more {1}
147  DF  .~.~.~> Alternately diverse (A, B, A, B)


DEFINITION

Classification: 172/146

(under subclass 145) Apparatus in which at least four diverse implements follow the same or overlapping paths.