US PATENT SUBCLASS 204 / 291
.~.~.~.~ Composition

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  DF  .~.~.~ Electrodes {7}
291.~.~.~.~ Composition {2}
292  DF  .~.~.~.~.~> Metallic {1}
294  DF  .~.~.~.~.~> Carbon containing

DEFINITION

Classification: 204/291

(under subclass 280) Electrodes in which are defined merely by the composition of which they are composed.

(1) Note. In the event any specific structure is included together with a special composition, the patent is placed in the appropriate structure subclass above (or if the structure is not provided for specifically, in subclass 280, and cross-referenced here).

SEE OR SEARCH CLASS

252, Compositions,

500+, for compositions specialized for use as electrodes and electrode devices defined solely in terms of the composition of which they are composed which electrodes are useful in electric lamps and electric space discharge devices, and as welding electrodes and furnace electrodes.