US PATENT SUBCLASS 53 / 381.6
.~.~ Including means to apply suction to grip envelope

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

Internet Version by PATENTEC © 1999      Terms of Use


53 /   HD   PACKAGE MAKING

381.1  DF  MEANS TO OPEN OR ERECT RECEPTACLE {6}
381.5  DF  .~ Means to open envelope {2}
381.6.~.~ Including means to apply suction to grip envelope

DEFINITION

Classification: 53/381.6

Including means to apply suction to grip envelope:

(under subclass 381.5) Apparatus including means to engage the cover and reduce the pressure at the area of engagement such that atmospheric pressure forces the cover area to adhere to the engaging means in order to manipulate that area of the cover.