US PATENT SUBCLASS 128 / 205.27
.~ Means for removing substance from respiratory gas

Current as of: June, 1999
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128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
205.27.~ Means for removing substance from respiratory gas {2}
205.28  DF  .~.~> Carbon dioxide
205.29  DF  .~.~> Particulate filtering {2}

DEFINITION

Classification: 128/205.27

Means for removing substance from respiratory gas:

(under subclass 200.24) Subject matter including means for removing a material from respiratory gas.

(1) Note. The term "respiratory gas" in this subclass includes both inhaled and exhaled gas. Therefor, devices removing a substance from either inhaled or exhaled gas are

classified here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

204.16, for devices for removing a substance from respiratory gas by cooling.

205.12, for other devices for removing a substance from respiratory gas.

SEE OR SEARCH CLASS

96, Gas Separation: Apparatus, for apparatus for gas separation, per se.