US PATENT SUBCLASS 119 / 493
.~.~.~ With ventilation means

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

416  DF  CONFINING OR HOUSING {11}
482  DF  .~ Often portable, small capacity, roofed housing structure (e.g., coop, hutch, kennel, etc.) {9}
487  DF  .~.~ Poultry enclosure {5}
493.~.~.~ With ventilation means

DEFINITION

Classification: 119/493

With ventilation means:

(under subclass 487) Subject matter including structure and apparatus providing a circulation of air which may or may not be power driven.

(1) Note. A door or opening alone is not considered ventilation means hereunder without some further control over the air circulation (e.g., slidable roof, etc.).