US PATENT SUBCLASS 128 / 204.26
.~.~ Gas supply means responsive to breathing

Current as of: June, 1999
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128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
204.18  DF  .~ Means for supplying respiratory gas under positive pressure {17}
204.26.~.~ Gas supply means responsive to breathing {2}
204.27  DF  .~.~.~> Snap action toggle included in control mechanism
204.28  DF  .~.~.~> Bag or bellows included in control mechanism

DEFINITION

Classification: 128/204.26

Gas supply means responsive to breathing:

(under subclass 204.18) Subject matter wherein the gas supply means is responsive to the user's breathing.