US PATENT SUBCLASS 392 / 338
.~.~ Electrode details

Current as of: June, 1999
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392 /   HD   ELECTRIC RESISTANCE HEATING DEVICES

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
311  DF  .~ Fluid-in-circuit type heater {6}
338.~.~ Electrode details

DEFINITION

Classification: 392/338

Electrode details:

(under subclass 311) Subject matter including details of the electrode structure of the fluid-in-circuit type heater.

SEE OR SEARCH THIS CLASS, SUBCLASS:

331, for electrode arrangement for line connected tank.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

358, for electrode type and subclass 451 for electric, radiant or vibrational treating means.

204, Chemistry: Electric and Wave Energy, particularly 280+, for electrodes for electrolytic cell.

338, Electrical Resistors, particularly

80+, for mechanically variable or adjustable liquid resistors.

373, Industrial Electric Heating Furnaces,

29+, and 120+ for significant electrode structure combined with furnaces.