US PATENT SUBCLASS 204 / 669
.~.~.~ Rotating or rotatable

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

DEFINITION

Classification: 204/669

Rotating or rotatable:

(under subclass 668) Apparatus in which the moving or movable electrode is either rotating or rotatable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

199+, and 212+, for electrolytic apparatus with rotary electrode means.