US PATENT SUBCLASS 204 / 670
.~.~ Concentric electrodes

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

193  DF  APPARATUS {5}
660  DF  .~ Apparatus for electrical (including simultaneous electrical and magnetic) separation or purification of liquid or magnetic treatment of liquid (other than separation) {10}
670.~.~ Concentric electrodes {1}
671  DF  .~.~.~> Cylindrical or annular

DEFINITION

Classification: 204/670

Concentric electrodes:

(under subclass 660) Apparatus in which one or more electrodes are arranged concentrically within another electrode.

(1) Note. This subclass and the subclass indented hereunder is intended to be interpreted broadly, including any such apparatus with an outer electrode at least partially wrapped around an inner electrode having a common axis, provided that at least a portion of the electrodes are overlapped along a radial line.

SEE OR SEARCH THIS CLASS, SUBCLASS:

260, and 272, for electrolytic apparatus with concentrically arranged electrodes.