US PATENT SUBCLASS 172 / 147
.~.~.~ Alternately diverse (A, B, A, B)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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  DF  .~.~ Four or more {1}
147.~.~.~ Alternately diverse (A, B, A, B)

DEFINITION

Classification: 172/147

(under subclass 146) Apparatus in which the implements are alternately alike, but successively unlike.

SEE OR SEARCH THIS CLASS, SUBCLASS:

148, for three implements following the same or overlapping paths, the first and third implements being alike and the intermediate implement being of a different type.

152+, for at least four laterally spaced implements which are alternately alike, but successively unlike.