US PATENT SUBCLASS 600 / 155
.~.~ With interior cleaning means

Current as of: June, 1999
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600 /   HD   SURGERY

101  DF  ENDOSCOPE {29}
153  DF  .~ Having auxiliary channel {3}
155.~.~ With interior cleaning means

DEFINITION

Classification: 600/155

With interior cleaning means:

(under subclass 153) Subject matter wherein the auxiliary channel is provided with additional means which when employed removes debris and impurities therefrom.