US PATENT SUBCLASS 204 / 276
.~.~.~.~ And filter

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}
275  DF  .~.~.~ With feeding and/or withdrawal means {3}
276.~.~.~.~ And filter

DEFINITION

Classification: 204/276

(under subclass 275) Electrolytic cells provided with a filter.

(1) Note. Search also this class, subclasses 249 and 264.

(2) Note. See this class, subclasses 235, 238 and 240, for filters for treatment of the electrolyte outside the cell.