US PATENT SUBCLASS 204 / 263
.~.~.~.~ With feeding and/or withdrawal means

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}
263.~.~.~.~ With feeding and/or withdrawal means {3}
264  DF  .~.~.~.~.~> And filter
265  DF  .~.~.~.~.~> Gas feeding
266  DF  .~.~.~.~.~> Gas withdrawal

DEFINITION

Classification: 204/263

(under subclass 252) Electrolytic cells provided with means to feed or withdraw material from the cell chamber.

(1) Note. For other cells with feeding or withdrawal means, see this class, subclasses 245, 255, 257, 269, and 275 and indented subclasses.