US PATENT SUBCLASS 229 / 231
.~.~.~.~.~ Reusable hinged closure includes two or more downwardly depending tabs or flanges

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  DF  .~.~.~.~ Reusable hinged closure provides an access opening which is coextensive with only a portion of the top wall {4}
231.~.~.~.~.~ Reusable hinged closure includes two or more downwardly depending tabs or flanges

DEFINITION

Classification: 229/231

Reusable hinged closure includes two or more downwardly depending tabs or flanges:

(under subclass 229) Subject matter wherein the reusable closure includes at least two downwardly extending segments of box material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

131, for similar closure structure not formed by tearing.

160.1, for similar closure structure formed by cutting material from box sidewalls.