US PATENT SUBCLASS 204 / 426
.~.~.~.~.~ Planar electrode surface

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

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
400  DF  .~.~ Analysis and testing {20}
421  DF  .~.~.~ Solid electrolyte {2}
424  DF  .~.~.~.~ Gas sample sensor {3}
426.~.~.~.~.~ Planar electrode surface

DEFINITION

Classification: 204/426

Planar electrode surface:

(under subclass 424) Apparatus in which the sensing element is generally flat.

(1) Note. This subclass includes electrodes in which the sensing element is a flat disk.