US PATENT SUBCLASS 204 / 412
.~.~.~ Three or more electrodes

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
400  DF  .~.~ Analysis and testing {20}
412.~.~.~ Three or more electrodes

DEFINITION

Classification: 204/412

Three or more electrodes:

(under subclass 400) Apparatus in which there are three or more electrodes.

(1) Note. This subclass is intended to provide for arrangements of several physically identical electrolytic cells.