US PATENT SUBCLASS 119 / 52.3
.~.~.~ And feature for excluding undesirable animal

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

51.01  DF  FEEDING DEVICE {16}
52.1  DF  .~ Hopper and trough {7}
52.2  DF  .~.~ Having a perch {1}
52.3.~.~.~ And feature for excluding undesirable animal

DEFINITION

Classification: 119/52.3

And feature for excluding undesirable animal:

(under subclass 52.2) Subject matter wherein the nourishment

supplying structure further includes structure for preventing an unwanted animal from obtaining nourishment.

SEE OR SEARCH THIS CLASS, SUBCLASS:

57.9, for similar structure used in an arrangement other than a hopper and trough type.