US PATENT SUBCLASS 205 / 784
.~.~.~ Gaseous oxygen or oxygen containing compound

Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

775  DF  ELECTROLYTIC ANALYSIS OR TESTING (PROCESS AND ELECTROLYTE COMPOSITION) {19}
782  DF  .~ For oxygen or oxygen containing compound (except water) {4}
783.5  DF  .~.~ Using solid electrolyte {1}
784.~.~.~ Gaseous oxygen or oxygen containing compound {2}
784.5  DF  .~.~.~.~> In combustible gas (e.g., air/fuel mixture for internal combustion engine, etc.)
785  DF  .~.~.~.~> With heating or temperature sensing

DEFINITION

Classification: 205/784

Gaseous oxygen or oxygen containing compound:

(under subclass 783.5) Subject matter in which the material analyzed or tested contains gaseous oxygen or a gaseous oxygen containing compound.

SEE OR SEARCH THIS CLASS, SUBCLASS:

783, for electrolytic analysis or testing for gaseous oxygen or a gaseous oxygen containing compound using a semipermeable membrane.

785.5, for electrolytic analysis or testing for gaseous oxygen or a gaseous oxygen containing compound, in general.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy,

424+, for electrolytic apparatus for analysis and testing of a gas using a solid electrolyte.