US PATENT SUBCLASS 229 / 229
.~.~.~.~ Reusable hinged closure provides an access opening which is coextensive with only a portion of the top wall

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

100  DF  PAPERBOARD BOX {54}
200  DF  .~ Having means to facilitate opening the box by severing (e.g., tearing, cutting, piercing, etc.) box material or outer wrapper {14}
210  DF  .~.~ Tearing provides reusable closure {6}
221  DF  .~.~.~ Reusable hinged closure {3}
229.~.~.~.~ Reusable hinged closure provides an access opening which is coextensive with only a portion of the top wall {4}
230  DF  .~.~.~.~.~> Hinge line located in a sidewall and spaced from the top wall
231  DF  .~.~.~.~.~> Reusable hinged closure includes two or more downwardly depending tabs or flanges
232  DF  .~.~.~.~.~> Reusable hinged closure includes only one depending tab or flange {1}
234  DF  .~.~.~.~.~> Reusable hinged closure includes bonded segments of two overlapped flaps which are attached to the sidewalls by fold lines prior to tearing (e.g., plug-type)

DEFINITION

Classification: 229/229

Reusable hinged closure provides an access opening which is coextensive with only a portion of the top wall:

(under subclass 221) Subject matter wherein the access opening formed by tearing open the box to provide the reusable closure is smaller than the top wall of the box.

SEE OR SEARCH THIS CLASS, SUBCLASS:

131, for similar closure structure not formed by tearing.