US PATENT SUBCLASS 204 / 229.1
.~.~.~.~ Reference electrode as or with auxiliary electrode

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

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
228.1  DF  .~.~ With current, voltage, or power control means responsive to sensed condition {8}
228.9  DF  .~.~.~ Having auxiliary electrode {1}
229.1.~.~.~.~ Reference electrode as or with auxiliary electrode

DEFINITION

Classification: 204/229.1

Reference electrode as or with auxiliary electrode:

(under subclass 228.9) Apparatus having a reference electrode as or in addition to the auxiliary electrode.

(1) Note. This subclass includes an apparatus having only 3 electrodes in which the auxiliary electrode serves as a reference electrode. Also included is a combination of a working electrode, two counter electrodes, an auxiliary electrode, and two reference electrodes.