US PATENT SUBCLASS 204 / 227
.~.~ Cells with base treatment means

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

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
227.~.~ Cells with base treatment means

DEFINITION

Classification: 204/227

(under subclass 194) Apparatus including an electrolytic cell and means to treat the base before or after the electrolytic action.

(1) Note. Search also this class, subclasses 200, 203, 204, 207-210, 215-217, and 226.