US PATENT SUBCLASS 217 / 111
.~.~.~ Frangible diaphragm

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

Internet Version by PATENTEC © 1999      Terms of Use


217 /   HD   WOODEN RECEPTACLES

72  DF  BARRELS {11}
98  DF  .~ Bungs {5}
110  DF  .~.~ Plugs {1}
111.~.~.~ Frangible diaphragm

DEFINITION

Classification: 217/111

(under subclass 110) Plugs having a portion to be broken out for venting the barrel, inserting a spigot, etc.