US PATENT SUBCLASS 206 / 475
.~ Content inspection opening in cover

Current as of: June, 1999
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206 /   HD   SPECIAL RECEPTACLE OR PACKAGE

472  DF  BOOK-TYPE COVER WITH ATTACHED ARTICLE RETAINER {3}
475.~ Content inspection opening in cover

DEFINITION

Classification: 206/475

(under subclass 472) A container including an aperture in the folded ply enclosure permitting examination of content.