US PATENT SUBCLASS 128 / 207.11
.~.~.~ Structure of means securing mask to head

Current as of: June, 1999
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128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
206.21  DF  .~ Face mask covering a breathing passage {6}
206.28  DF  .~.~ Covering nose and mouth {3}
207.11.~.~.~ Structure of means securing mask to head

DEFINITION

Classification: 128/207.11

Structure of means securing mask to head:

(under subclass 206.28) Subject matter including structure of means securing the mask to the head of the user.

(1) Note. A patent is placed here as an original only if structural details of the securing means are claimed, (i.e., a mere nominal recitation of means securing the mask to the head is insufficient to place a patent here).