US PATENT SUBCLASS 600 / 192
.~.~.~ With rough grained surface

Current as of: June, 1999
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600 /   HD   SURGERY

184  DF  SPECULA {2}
185  DF  .~ Laryngoscope {6}
190  DF  .~.~ Having particular blade structure {6}
192.~.~.~ With rough grained surface

DEFINITION

Classification: 600/192

With rough grained surface:

(under subclass 190) Subject matter wherein an outer surface of the blade of the laryngoscope is not smooth so as to facilitate retention of the laryngoscope within the mouth.