US PATENT SUBCLASS 172 / 145
.~ Three or more diverse implements following same path (A, B, C, or A, B, A,)

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

133  DF  DIVERSE TOOLS {29}
145.~ Three or more diverse implements following same path (A, B, C, or A, B, A,) {3}
146  DF  .~.~> Four or more {1}
148  DF  .~.~> Longitudinally spaced like implements with intermediate diverse implement (A, B, A)
149  DF  .~.~> Including rolling tool {2}

DEFINITION

Classification: 172/145

(under subclass 133) Apparatus comprising at least three diverse implements in succession, the second implement following in or overlapping the path of the first and the third following in or overlapping the path of the second, the implements being longitudinally spaced and having diverse earth working elements.

(1) Note. Two of the implements may be the same if a different implement intervenes.

(2) 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. Thus it may be seen that three implements may be following overlapping paths under this definition and yet the third implement be laterally spaced with respect to the first. It should be particularly 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:

144, for the combination of a plow with a separate colter and jointer.

175+, for two rolling and nonrolling implements following the same path. 195+, for two diverse implements following the same path.