US PATENT SUBCLASS 128 / 205.16
.~.~.~ Biased to contracted or expanded position by mechanical means (e.g., weight, spring, etc.)

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}
205.13  DF  .~.~ Respiratory gas supplied from expandable bag, bellows, or squeeze bulb {4}
205.16.~.~.~ Biased to contracted or expanded position by mechanical means (e.g., weight, spring, etc.)

DEFINITION

Classification: 128/205.16

Biased to contracted or expanded position by mechanical means (e.g., weight, spring, etc.):

(under subclass 205.13) Subject matter where in the bag, bellows, or squeeze bulb is urged to a contracted or expanded position by a mechanical means.