US PATENT SUBCLASS 220 / 89.3
.~.~.~ With cutting means


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

Internet Version by PATENTEC © 1999      Terms of Use



220 /   HD   RECEPTACLES

694  DF  CONTAINER ATTACHMENT OR ADJUNCT {21}
89.1  DF  .~ Pressure relief means {2}
89.2  DF  .~.~ Frangible pressure relief means {1}
89.3.~.~.~ With cutting means


DEFINITION

Classification: 220/89.3

With cutting means:

(under subclass 89.2) Receptacle including an additional member having a knife edge or point intended to facilitate the bursting of the diaphragm.