US PATENT SUBCLASS 119 / 504
.~.~.~ Collapsible

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}
504.~.~.~ Collapsible

DEFINITION

Classification: 119/504

Collapsible:

(under subclass 503) Subject matter wherein the pen is structured in a manner that allows a transformation between a fully assembled or erect state and at least a partially disassembled or reduced state.