US PATENT SUBCLASS 172 / 313
.~ Laterally spaced with separate draft tongues

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

310  DF  PLURAL WHEELED IMPLEMENTS {4}
313.~ Laterally spaced with separate draft tongues

DEFINITION

Classification: 172/313

(under subclass 310) Apparatus comprising a plurality of transversely spaced wheeled implements having separate draft tongues or members for attachment to different draft animals or vehicles.