US PATENT SUBCLASS 229 / 125.23
.~.~.~.~.~ Nonunitary securing element on closure engages nonunitary securing element on box (i.e., securing elements are not of one-piece construction with the box)

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}
125.01  DF  .~.~ Nonunitary closure (i.e., not of one-piece construction with the box) {17}
125.19  DF  .~.~.~ Closure includes a depending flange or tab which extends along an adjacent box wall {9}
125.21  DF  .~.~.~.~ With a nonunitary securing element (i.e., not of one-piece construction with the box) {2}
125.23.~.~.~.~.~ Nonunitary securing element on closure engages nonunitary securing element on box (i.e., securing elements are not of one-piece construction with the box)

DEFINITION

Classification: 229/125.23

Nonunitary securing element on closure engages nonunitary securing element on box (i.e., securing elements are not of one-piece construction with the box):

(under subclass 125.21) Subject matter wherein the box includes a means attached to one of its walls and a means attached to the nonunitary closure which means, when the box is closed, interengage with one another to maintain the closure in its closed position. [figure]

SEE OR SEARCH THIS CLASS, SUBCLASS:

77+, for a similar securing element for a closure flap for an envelope.