US PATENT SUBCLASS 119 / 495
.~.~.~.~ Poultry self-operating

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}
494  DF  .~.~.~ With enclosure door {1}
495.~.~.~.~ Poultry self-operating

DEFINITION

Classification: 119/495

Poultry self-operating:

(under subclass 494) Subject matter wherein the door may be opened or closed as a result of actuation by one or more domestic fowl.

SEE OR SEARCH CLASS

49, Movable or Removable Closures,

236+, for mechanical means imparting movement to the door and means to effect its operation by weight or impact.