US PATENT SUBCLASS 128 / 203.24
.~.~.~ With gas flow control means other than pivotal or removable closure

Current as of: June, 1999
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128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
203.12  DF  .~ Means for mixing treating agent with respiratory gas {16}
203.23  DF  .~.~ Pocket-type draw tube having discharge aperture for air/treating agent mixture at end thereof {1}
203.24.~.~.~ With gas flow control means other than pivotal or removable closure

DEFINITION

Classification: 128/203.24

With gas flow control means other than pivotal or removable closure:

(under subclass 203.23) Subject matter including a gas flow control means other than a pivotal or removable closure.