US PATENT SUBCLASS 204 / 262
.~.~.~.~ With heater or cooler

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
242  DF  .~.~ Cells {10}
252  DF  .~.~.~ Diaphragm type {6}
262.~.~.~.~ With heater or cooler

DEFINITION

Classification: 204/262

(under subclass 252) Electrolytic cells provided with a heating or cooling means.

(1) Note. For other cells with heating or cooling means, see this class, subclass 274.

(2) Note. See this class, subclasses 236, 239 and 241 for a heater or cooler for treatment of the electrolyte outside the cell.