US PATENT SUBCLASS 128 / 203.21
.~.~ Means broken or pierced to supply treating agent

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}
203.21.~.~ Means broken or pierced to supply treating agent

DEFINITION

Classification: 128/203.21

Means broken or pierced to supply treating agent:

(under subclass 203.12) Subject matter including a means that is broken or pierced to supply a treating agent, e.g., a glass container easily broken to release an anesthetic therefrom.