US PATENT SUBCLASS 204 / 668
.~.~ With moving or movable electrode


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}
668.~.~ With moving or movable electrode {1}
669  DF  .~.~.~> Rotating or rotatable


DEFINITION

Classification: 204/668

With moving or movable electrode:

(under subclass 660) Apparatus in which an electrode is either moving or movable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

198, through 226, for electrolytic apparatus with movable electrode means.

623, 629, 649, and 650, for electrophoretic or electro-osmotic apparatus with a moving or movable electrode.