Package closure and package preparation
April 17, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3458080 Non-detachable easy open flap and tab assembly Container closure with foil seal Tamper evident dispensing closure Package closure Package fitment Parallelepipedal flat gabled package and method of manufacture Package closure Opening arrangement on a packing container Patent #: 4986465 InventorsAssigneeApplicationNo. 686814 filed on 04/17/1991US Classes:220/258.4, Outer closure includes cutting or penetrating means220/258.5, About line, region, or point of weakness220/267, With cutting device229/125.09, Plug-type closure229/125.14For an access opening extending through a nonunitary box end-closing element (i.e., the element is not of one-piece construction with the box)ExaminersPrimary: Marcus, StephenAssistant: Stucker, Nova Attorney, Agent or FirmInternational ClassB65D 051/22AbstractA closure for opening and resealing a package includes a base attachable to the top of the package over a scored area thereof, and a push tab device pivotally connected to the base at a rearward portion of the base such that a user may depress and end of the push tab into the package thereby creating a central opening area in the package top. The push tab may be provided with a beak and a vent hole. The package top may be partially pre-cut or scored in such a way so as to open in the form of bomb bay doors when the push tab is depressed and rotated into the package. A cover is integrally hinged to the base and is provided for resealing the central opening area.Field of SearchWith closure opening arrangements for means (e.g., opening devices)With cutting device Gripping means attached to or integral with member or portion (e.g., pull tab) Provided with vent With cutting, punching, or cutter accommodating means Non-removable member or portion Plug-type closure For an access opening extending through a nonunitary box end-closing element (i.e., the element is not of one-piece construction with the box) | |
