US PATENT SUBCLASS 128 / 201.12
.~ Corrective or magnifying lens combined with face mask having eyepiece or transparent viewing portion

Current as of: June, 1999
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128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
201.12.~ Corrective or magnifying lens combined with face mask having eyepiece or transparent viewing portion

DEFINITION

Classification: 128/201.12

Corrective or magnifying lens combined with face mask having eyepiece or transparent viewing portion:

(under subclass 200.24) Subject matter including a face mask with an eyepiece or transparent viewing portion and an

additional corrective or magnifying lens.

(1) Note. See subclass 205.25 for the definition of a face mask.