US PATENT SUBCLASS 204 / 256
.~.~.~.~.~.~.~ Gas

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}
253  DF  .~.~.~.~ Plural cells {2}
254  DF  .~.~.~.~.~ Bipolar electrode {1}
255  DF  .~.~.~.~.~.~ With feeding and/or withdrawal means {1}
256.~.~.~.~.~.~.~ Gas

DEFINITION

Classification: 204/256

(under subclass 255) Electrolytic cells in which the material feed or withdrawn is a gas.

(1) Note. For other cells equipped with gas feeding or withdrawal means, see this class, subclasses 246, 247, 258, 265, 266, 270, 277, and 278.