US PATENT SUBCLASS 229 / 67.3
.~ Expandable

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

67.1  DF  FILE FOLDER OR FILE ENVELOPE {3}
67.3.~ Expandable

DEFINITION

Classification: 229/67.3

Expandable:

(under subclass 67.1) File folder or file envelope including means to allow adjustment of its size.

SEE OR SEARCH THIS CLASS, SUBCLASS:

101+, for a variable volume paperboard box.

SEE OR SEARCH CLASS

383, Flexible Bags,

2, for a bag having a selectively adjustable volume and subclass 120 for a bag having a pleat or gusset.