US PATENT SUBCLASS 204 / 230.1
.~.~.~.~ 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}
229.8  DF  .~.~ With means for measuring, testing, or sensing current, voltage, or power {1}
229.9  DF  .~.~.~ Having auxiliary electrode {1}
230.1.~.~.~.~ Reference electrode as or with auxiliary electrode

DEFINITION

Classification: 204/230.1

Reference electrode as or with auxiliary electrode:

(under subclass 229.9) 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.