US PATENT SUBCLASS 261 / 142
.~.~ Electric heater

Current as of: June, 1999
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261 /   HD   GAS AND LIQUID CONTACT APPARATUS

127  DF  WITH EXTERNAL SUPPLY OR REMOVAL OF HEAT {14}
141  DF  .~ Heat producer {2}
142.~.~ Electric heater

DEFINITION

Classification: 261/142

(under subclass 141) Apparatus wherein the device is an electric heater.

SEE OR SEARCH CLASS

219, Electric Heating,

280+, for electric heaters for fluids.