US PATENT SUBCLASS 229 / 931
.~ Fold includes slit or aperture

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

930  DF  FOLD DETAIL {1}
931.~ Fold includes slit or aperture

DEFINITION

Classification: 229/931

Fold includes slit or aperture:

(under subclass 930) Subject matter wherein the fold is characterized by one or more cuts or openings in the receptacle material.