Shipping container with reusable closure flap

Claim 1

A RECLOSABLE CONTAINER FORMED FROM A UNITARY BLANK OF FOLDABLE PAPERBOARD, COMPRISING: (A) A PAIR OF OPPOSED OUTER SIDE WALL PANELS; (B) A PAIR OF OPPOSED END WALL PANELS HAVING OPPOSITE SIDE EDGES HINGED TO RESPECTIVE OUTER SIDE WALL PANELS TO DEFINE A TUBULAR STRUCTURE; (C) BOTTOM CLOSURE FLAPS HINGED TO LOWER EDGES OF CERTAIN OF SAID WALL PANELS; (D) A PAIR OF OPPOSED TOP CLOSURE FLAPS HINGED TO UPPER EDGES OF SAID END WALL PANELS AND EXTENDING HORIZONTALLY INWARD TO CLOSE THE TOP OF THE CONTAINER; (E) SAID TOP CLOSURE FLAPS HAVING FREE END PORTIONS DISPOSED IN OVERLAPPED RELATION; (F) A PAIR OF INNER SIDE WALL PANELS OPERATIVELY CONNECTED TO UPPER PORTIONS OF RESPECTIVE OUTER SIDE WALL PANELS AND EXTENDING INTO CONTAINER IN SUBSTANTIALLY PARALLEL RELATION WITH RESPECTIVE OUTER SIDE WALL PANELS; (G) A PAIR OF RETAINING FLAPS CUT FROM MEDIAL PORTIONS OF RESPECTIVE INNER SIDE WALL PANELS; (H) SAID RETAINING FLAPS EXTENDING HORIZONTALLY INWARD OVER THE END PORTION OF ONE OF THE TOP CLOSURE FLAPS; AND (I) MEANS FOR RIGIDLY SECURING SAID RETAINING FLAPS TO OPPOSITE SIDES OF THE END PORTION OF SAID ONE TOP CLOSURE FLAP; (J) THE END PORTION OF THE OTHER TOP CLOSURE FLAP BEING FREE FROM CONNECTION TO SAID RETAINING FLAPS, SO THAT IT CAN BE REMOVABLY INSERTED UNDER THE CORRESPONDING END PORTION OF SAID ONE TOP CLOSURE FLAP.