US PATENT SUBCLASS 119 / 509
.~.~.~ Pen floor

Current as of: June, 1999
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119 /   HD   ANIMAL HUSBANDRY

416  DF  CONFINING OR HOUSING {11}
502  DF  .~ Pen or rack {6}
503  DF  .~.~ Hog farrowing pen {6}
509.~.~.~ Pen floor

DEFINITION

Classification: 119/509

Pen floor:

(under subclass 503) Subject matter including structure and apparatus related to the bottom animal supporting portion of the pen.