US PATENT SUBCLASS 237 / 3
.~ Brooder and incubator

Current as of: June, 1999
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237 /   HD   HEATING SYSTEMS

2 R  DF  AUTOMATIC CONTROL {9}
3.~ Brooder and incubator {1}
4  DF  .~.~> Water

DEFINITION

Classification: 237/3

(under subclass 2) Automatic control for heating apparatus for brooders and incubators.

SEE OR SEARCH CLASS

119, Animal Husbandry,

30, 31+, and 35+ for brooder and incubator structure including heating systems.