US PATENT SUBCLASS 436 / 136
.~ Molecular oxygen

Current as of: June, 1999
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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

127  DF  OXYGEN CONTAINING {5}
136.~ Molecular oxygen {2}
137  DF  .~.~> Fuel/air mixture or exhaust gas analysis
138  DF  .~.~> Dissolved or trace oxygen or oxygen content of a sealed environment

DEFINITION

Classification: 436/136

Molecular oxygen:

(under subclass 127) Subject matter in which there is a qualitative or quantitative test for molecular oxygen.