US PATENT SUBCLASS 204 / 674
.~.~ Porous, perforated, or grid 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}
674.~.~ Porous, perforated, or grid electrode

DEFINITION

Classification: 204/674

Porous, perforated, or grid electrode:

(under subclass 660) Apparatus having at least one porous, perforated, or grid electrode.

SEE OR SEARCH THIS CLASS, SUBCLASS:

665, for an electrical separation apparatus in which a porous electrode also serves as a filter to physically remove one or more constituents from a liquid.

CROSS-REFERENCE ART COLLECTIONS

The following subclasses (art collection subclasses 900-914) of published disclosures pertain to various aspects of art relating to the use of energy in preparing or treating various chemical compounds.

(1) Note. Disclosure are placed for value as a search aid and in no instance do they represent the entire extent of the prior art.