US PATENT SUBCLASS 172 / 314
.~ Implements in echelon (e.g., gang plows, etc.)

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

310  DF  PLURAL WHEELED IMPLEMENTS {4}
314.~ Implements in echelon (e.g., gang plows, etc.)

DEFINITION

Classification: 172/314

(under subclass 310) Apparatus comprising at least three implements aligned in a direction at an angle other than 90 deg. with respect to the line of travel, each implement having a wheel.

(1) Note. Each implement may consist of more than one earth working element.