US PATENT SUBCLASS 600 / 140
.~.~ Plural layers

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

Internet Version by PATENTEC © 1999      Terms of Use


600 /   HD   SURGERY

101  DF  ENDOSCOPE {29}
139  DF  .~ Having flexible tube structure {6}
140.~.~ Plural layers

DEFINITION

Classification: 600/140

Plural layers:

(under subclass 139) Subject matter wherein the flexible tube-like structure is composed of more than a single thickness of material throughout its extent.