US PATENT SUBCLASS 128 / 205.23
.~.~ Indicator structure

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}
205.23.~.~ Indicator structure

DEFINITION

Classification: 128/205.23

Indicator structure:

(under subclass 204.18) Subject matter including structure for indicating something about a condition of the respiratory gas or the respiration device supplying such gas.

(1) Note. A patent is placed as an original in this subclass only if it claims structural details of an indicator, (i.e., a mere nominal recitation of an indicator is insufficient to place a patent here).