US PATENT SUBCLASS 220 / 227
.~.~ With vent 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

200  DF  CLOSURES {45}
216  DF  .~ Floating closure {6}
227.~.~ With vent means


DEFINITION

Classification: 220/227

(under subclass 216) Device wherein the closure means is provided with an opening for the escape of gas from the receptacle which it closes.