US PATENT SUBCLASS 132 / 220
.~ Having heat generating composition

Current as of: June, 1999
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132 /   HD   TOILET

212  DF  HAIR DEVICE {12}
220.~ Having heat generating composition

DEFINITION

Classification: 132/220

Having heat generating composition:

(under subclass 212) Device including a supply of a chemical composition which releases heat through an exothermic reaction.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

263.01+, for a chemical heater, in general.