Easy opening carton construction

• US 3,309,005 A
• Filed: 06/17/1965
• Issued: 03/14/1967
• Est. Priority Date: 06/17/1965
• Status: Expired due to Term

• Current Assignee: Nicholas J. Pilger
• Original Assignee: Nicholas J. Pilger
• Inventors: Pilger, Nicholas J.
• Application Number:
  US04/464,619
• Time in Patent Office: 635 Days
• US Class Current: 229/241
• CPC Class Codes: B65D 5/0005 of variable capacity
• CPC Class Codes: B65D 5/2047 trapezoidal, e.g. to form a body with diverging side walls B65D5/2033 takes precedence
• CPC Class Codes: B65D 5/545 for opening containers formed by erecting a "cross-like" blank
• CPC Class Codes: B65D 5/64 Lids
• CPC Class Codes: Y10S 229/906 Baked goods

Claims

1. AN EASY-OPEN CARTON COMPRISING A BOTTOM PANEL MERGING ALONG ONE PAIR OF ITS OPPOSITE SIDES INTO A PAIR OF UPSTANDING SIDE PANELS, EACH SAID SIDE PANEL MERGING IN TURN INTO A TOP CLOSURE FLAP, UPSTANDING END PANEL MEANS CONNECTED TO SAID BOTTOM PANEL AT EACH END THEREOF AND TO SAID SIDE PANELS THEREAT, EACH SAID END PANEL ENGAGING BENEATH SAID TOP PANEL THEREBY TO PROVIDE A FULLY CLOSED CARTON, SAID TOP PANEL HAVING A LIFT TONGUE EXTENDING FROM ONE END THEREOF AND DISPOSED IN OVERLYING RELATION TO A SAID END PANEL MEANS, SAID END PANEL MEANS HAVING A PORTION THEREOF FLEXED INTO OVERLYING RELATION WITH SAID LIFT TONGUE INWARDLY OF THE TERMINAL END THEREOF THEREBY TO RELEASABLY RETAIN SAID TONGUE IN OVERLYING RELATION TO SAID END PANEL, WHEREBY SAID LIFT TONGUE TERMINAL END IS FREE TO BE READILY GRASPED FOR PULLING SAID TONGUE FROM ITS RELEASABLY RETAINED OVERLYING RELATION WITH SAID END PANEL AND TO TEAR SAID TOP PANEL FROM SAID CARTON.