US PATENT SUBCLASS 422 / 94
.~.~ Combustible gas detector

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

50  DF  ANALYZER, STRUCTURED INDICATOR, OR MANIPULATIVE LABORATORY DEVICE {11}
83  DF  .~ Means for analyzing gas sample {6}
94.~.~ Combustible gas detector {1}
95  DF  .~.~.~> With thermoelectric detector {1}

DEFINITION

Classification: 422/94

Combustible gas detector:

(under subclass 83) Apparatus for determining the presence or concentration of flammable material in a gas sample, including means for combusting the gas sample and means to detect the presence of, or extent of, the combustion.