US PATENT SUBCLASS 128 / 206.13
.~.~.~.~ Mask attached to ear


Current as of: June, 1999
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128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
205.27  DF  .~ Means for removing substance from respiratory gas {2}
205.29  DF  .~.~ Particulate filtering {2}
206.12  DF  .~.~.~ Face mask covering a breathing passage {7}
206.13.~.~.~.~ Mask attached to ear


DEFINITION

Classification: 128/206.13

Mask attached to ear:

(under subclass 206.12) Subject matter wherein the mask is attached to an ear of the user.