US PATENT SUBCLASS 119 / 54
.~.~ Animal-controlled supply


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}
54.~.~ Animal-controlled supply {1}
55  DF  .~.~.~> Platform


DEFINITION

Classification: 119/54

Combined hoppers and troughs provided with means for causing or controlling the flow of feed from hopper to trough operated by pressure from the feeding animal, generally applied through the animal's nose or forehead.

(1) Note. Search this class, subclass 53.5 and 75.