US PATENT SUBCLASS 206 / 474
.~ Tongue and slot-type cover closure

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}
474.~ Tongue and slot-type cover closure

DEFINITION

Classification: 206/474

(under subclass 472) A container wherein the folded ply enclosure includes a flap, or projection, frictionally engaging a narrow opening to maintain a folded closed position.