US PATENT SUBCLASS 128 / 204.21
.~.~ Electric control means

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}
204.21.~.~ Electric control means {2}
204.22  DF  .~.~.~> Means for sensing partial pressure, or amount, of component in gas mixture
204.23  DF  .~.~.~> Means for sensing condition of user's body

DEFINITION

Classification: 128/204.21

Electric control means:

(under subclass 204.18) Subject matter including an electric means for controlling operation of a respiration device.