US PATENT SUBCLASS 172 / 182
.~.~ Laterally spaced


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

133  DF  DIVERSE TOOLS {29}
174  DF  .~ Rolling and non-rolling {2}
182.~.~ Laterally spaced {1}
183  DF  .~.~.~> With scissors or shearing action between adjacent faces


DEFINITION

Classification: 172/182

(under subclass 174) Apparatus in which the rolling and nonrolling earth working elements are spaced laterally of the direction of travel and operate along different paths.

SEE OR SEARCH THIS CLASS, SUBCLASS:

153, for at least four laterally spaced rolling and nonrolling tools which are alternately alike and successively unlike.

156, and 157, for laterally spaced like tools and an intermediate diverse tool, the tools being of the rolling and nonrolling type.

201+, for laterally spaced diverse tools of the nonrolling type.