(under subclass 302) Brooder provided with a fuel consuming heating system which warms the incoming air and directs it, by means of conduits, fans, etc., throughout the brooder chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
303, for a brooder warmed by water.
308+, for a brooder warmed by an electrical component.
310, for a brooder warmed by a fireless means.
315+, for a air warmed incubator.
SEE OR SEARCH CLASS
126, Stoves and Furnaces, 58+, for air heating system.
237, Heating Systems,
3, and 14+ for a heating system for use in a brooder or an incubator.
