US PATENT SUBCLASS 172 / 195
.~ Second implement follows path of first

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

133  DF  DIVERSE TOOLS {29}
195.~ Second implement follows path of first {4}
196  DF  .~.~> Including subsoiler
197  DF  .~.~> Teeth and scraper, leveller or drag
198  DF  .~.~> Including teeth
199  DF  .~.~> Including drag, scraper or levelling blade {1}

DEFINITION

Classification: 172/195

(under subclass 133) Apparatus in which the diverse implements travel in the same or overlapping paths and are longitudinally spaced in the direction of travel, the implements having diverse earth working elements.

(1) Note. If an implement follows in or overlaps the path of travel of a diverse implement the implements are considered to be traveling in the same path. It should be particlarly noted that the word implement covers either a group of like earth working elements or a single earth working element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

71+, for a driven tool and a nondriven tool traveling in the same path.

144, for a colter, jointer and plow.

145+, for three or more diverse implements following the same or overlapping paths. 163+, for a colter and jointer, or a jointer and plow, or a colter and diverse tool.

175+, for rolling and nonrolling implements following the same path.