US PATENT SUBCLASS 111 / 60
.~.~.~ Plurality of auxiliaries

Current as of: June, 1999
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111 /   HD   PLANTING

14  DF  DRILLING {12}
52  DF  .~ Frame and planting-element arrangement {4}
59  DF  .~.~ Main and auxiliary frame {3}
60.~.~.~ Plurality of auxiliaries {1}
61  DF  .~.~.~.~> Unitarily controlled

DEFINITION

Classification: 111/60

(under subclass 59) Devices wherein a plurality of secondary frames are associated with a main frame.

(1) Note. Where the several auxiliaries are identical in structure and function, and therefore constitute a mere duplication of a single auxiliary of that type, they are classified as if only a single auxiliary were present.