(under subclass 311) Brooder with a fuel consuming heating system consisting of a series of coils or pipes through which a fluid medium (e.g., hot water or steam) circulates to warm the chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
303, for a brooder warmed by water.
315+, for an incubator warmed by air.
318+, for an incubator warmed by an electrical component.
320+, for an incubator warmed by fireless means.
SEE OR SEARCH CLASS
237, Heating Systems, 4, and 14+ for a heating system for use in a brooder or incubator.
