US PATENT SUBCLASS 204 / 249
.~.~.~.~ Filter or loose electrode type

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

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
242  DF  .~.~ Cells {10}
248  DF  .~.~.~ Internal battery {1}
249.~.~.~.~ Filter or loose electrode type

DEFINITION

Classification: 204/249

(under subclass 248) Electrolytic cells including a filter or a loose electrode material which may be in the form of a filter bed.