US PATENT SUBCLASS 172 / 196
.~.~ Including subsoiler

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

133  DF  DIVERSE TOOLS {29}
195  DF  .~ Second implement follows path of first {4}
196.~.~ Including subsoiler

DEFINITION

Classification: 172/196

(under subclass 195) Apparatus in which the earth working element of one of the implements comprises a subsoiler which acts on the soil at a greater depth than the earth working element of the other implement.

(1) Note. For the definition of subsoiler see subclass 699.

SEE OR SEARCH THIS CLASS, SUBCLASS:

699+, for subsoilers, per se.