US PATENT SUBCLASS 204 / 280
.~.~.~ Electrodes

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

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
279  DF  .~.~ Elements {3}
280.~.~.~ Electrodes {7}
281  DF  .~.~.~.~> Electroforming molds or strips plates
282  DF  .~.~.~.~> With diaphragm {1}
284  DF  .~.~.~.~> Perforated or foraminous {1}
286  DF  .~.~.~.~> With electrode supporting means {2}
289  DF  .~.~.~.~> With lateral extensions
290 R  DF  .~.~.~.~> Laminated or coated {1}
291  DF  .~.~.~.~> Composition {2}

DEFINITION

Classification: 204/280

(under subclass 279) Apparatus consisting of electrodes useful for carrying out the processes herein provided for and combinations of such electrodes with other elements not provided for in any foregoing group of patents.

SEE OR SEARCH THIS CLASS, SUBCLASS:

400, through 435, for testing electrodes.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices,

327, for self-baking electrodes such as, for example, the Soederberg electrodes, which are not limited to use in electrolysis, but can be used, for example, in arc furnaces. 428, Stock Material or Miscellaneous Articles, Lines With Other Classes and Within This Class, for the lines determining the classification of electrodes and "nominal" electrodes.

429, Chemistry: Electrical Current Producing Apparatus, Product and Process,

40+, for fuel cell catalytic electrodes, and 209+ for electrodes specialized for that class.