US PATENT SUBCLASS 122 / 13.2
.~ Electric

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

13.1  DF  STAND BOILER {6}
13.2.~ Electric

DEFINITION

Classification: 122/13.2

Electric:

(under subclass 13.1) Devices where the means to apply heat is an electric heater.