US PATENT SUBCLASS 119 / 57.9
.~.~ 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}
57.8  DF  .~ Having a perch {1}
57.9.~.~ And feature for excluding undesirable animal

DEFINITION

Classification: 119/57.9

And feature for excluding undesirable animal:

(under subclass 57.8) Subject matter wherein the nourishment supplying structure further includes structure for preventing an unwanted animal from obtaining nourishment.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52.3, for similar structure used in a hopper and trough arrangement.