US PATENT SUBCLASS 229 / 160.2
.~.~ Including means to facilitate the application of an opening force to the closure (e.g., pulltab, thumb notch, etc.)

Current as of: June, 1999
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229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

100  DF  PAPERBOARD BOX {54}
124  DF  .~ With closure for an access opening {7}
160.2.~.~ Including means to facilitate the application of an opening force to the closure (e.g., pulltab, thumb notch, etc.)

DEFINITION

Classification: 229/160.2

Including means to facilitate the application of an opening force to the closure (e.g. pulltab, thumb notch, etc.):

(under subclass 124) Subject matter wherein the closure includes means which make it easier to apply a force to the closure to move it from its closed position to an open position. [figure] [caption]closure, pull tab

SEE OR SEARCH THIS CLASS, SUBCLASS:

924+, for cross reference art collections of means to facilitate gripping a tear strip.