US PATENT SUBCLASS 172 / 695
.~.~.~ Tools in echelon (3 or more)

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

681  DF  TOOL, STANDARD OR CONNECTION {32}
685  DF  .~ Plural tools {6}
694  DF  .~.~ Laterally spaced tools {3}
695.~.~.~ Tools in echelon (3 or more)

DEFINITION

Classification: 172/695

(under subclass 694) Apparatus wherein three or more earth working elements are aligned in a direction at an angle other than 90 deg. with respect to the line of travel.