(under subclass 11) Devices having means to maintain removably in heat conducting relation to the teeth a quantity of preheatable solid or liquid material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
118, for combs combined with heaters which convert energy or fuel into heat.
147, for combs having a back hollowed to form a receptacle.
SEE OR SEARCH CLASS
126, Stoves and Furnaces,
400, for heat accumulator structures, and see the Notes thereto for devices elsewhere classified employing heat accumulators.
