US PATENT SUBCLASS 204 / 252
.~.~.~ Diaphragm type

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.~.~.~ Diaphragm type {6}
253  DF  .~.~.~.~> Plural cells {2}
259  DF  .~.~.~.~> Basket-type electrode
260  DF  .~.~.~.~> Concentrically arranged electrodes
261  DF  .~.~.~.~> With agitator
262  DF  .~.~.~.~> With heater or cooler
263  DF  .~.~.~.~> With feeding and/or withdrawal means {3}

DEFINITION

Classification: 204/252

(under subclass 242) Electrolytic cells in which the electrodes are separated by a diaphragm.

(1) Note. For liquid electrode diaphragm type cells, see this class, subclass 251.

(2) Note. For electrodes with diaphragms, see this class, subclasses 282 and 283.

(3) Note. For diaphragm elements, see this class, subclasses 295 and 296.