US PATENT SUBCLASS 204 / 275
.~.~.~ 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}
275.~.~.~ With feeding and/or withdrawal means {3}
276  DF  .~.~.~.~> And filter
277  DF  .~.~.~.~> Gas feeding
278  DF  .~.~.~.~> Gas withdrawal

DEFINITION

Classification: 204/275

(under subclass 242) Electrolytic cells provided with means to feed and/or withdraw material from the cell chamber.

(1) Note. Search also this class, subclass 245, 255, 257, 263, and 269 and their indented subclasses.