US PATENT SUBCLASS 128 / 201.15
.~ Means for keeping viewing member (e.g., eyeglass, transparent face shield, etc.) clear

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
201.15.~ Means for keeping viewing member (e.g., eyeglass, transparent face shield, etc.) clear {2}
201.16  DF  .~.~> Wiper
201.17  DF  .~.~> Mask with porous lower filtering portion and impervious upper portion shielding user's eyeglasses from exhaled breath

DEFINITION

Classification: 128/201.15

Means for keeping viewing member (e.g., eyeglass, transparent face shield, etc.) clear:

(under subclass 200.24) Subject matter including means for keeping a viewing member clear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

206.22, for means for handling liquid (e.g., saliva, breath condensation, etc.) accumulated in a mask.