US PATENT SUBCLASS 169 / 75
.~.~ With means preventing accidental discharge, relieving pressure, or indicating condition within vessel

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

Internet Version by PATENTEC © 1999      Terms of Use


169 /   HD   FIRE EXTINGUISHERS

30  DF  PORTABLE VESSELS {5}
71  DF  .~ Gas pressure {9}
75.~.~ With means preventing accidental discharge, relieving pressure, or indicating condition within vessel

DEFINITION

Classification: 169/75

(under subclass 71) Apparatus further comprising means to avoid accidental discharge of the agent from the container or excessive pressure build up in said container, or means to indicate any abnormal condition therein.