US PATENT SUBCLASS 204 / 245
.~.~.~.~ 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}
243.1  DF  .~.~.~ Fused bath {6}
245.~.~.~.~ With feeding and/or withdrawal means {2}
246  DF  .~.~.~.~.~> Gas feeding
247  DF  .~.~.~.~.~> Gas withdrawal


DEFINITION

Classification: 204/245

(under subclass 243) Electrolytic cells provided with means to feed to or withdraw material from the cell chamber.

(1) Note. For other cells with feeding and withdrawal means, see this class, subclasses 255-258, 263, 269, and 275 and indented subclasses.