Easy open package
Patent 5704481 Issued on January 6, 1998. Estimated Expiration Date: 
January 6, 2015. 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.
January 6, 2015. 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 3270878 4030662 Stencilling device Child resistant package Pack and process for the manufacture thereof Tear oriented package Tear tape opening system Peelable adhesive-based package seal and method of making same Patent #: 5180599 InventorAssigneeApplicationNo. 341768 filed on 11/18/1994US Classes:206/484, LAMINATE SHEET PACKET206/469, Frangible383/205Including a separate tearing element which is gripped and pulled to open the bagExaminersPrimary: Foster, Jimmy G.Attorney, Agent or FirmInternational ClassesB65D 075/26B65D 075/62 AbstractAn easy access tear-open paperboard package and method of making same are provided including a pair of corrugated paperboard sheets, each having an interior surface flood coated with a cohesive material which sheets are then joined together in surrounding relation to an article such as a book contained therebetween. A strip of polyolefin tape extends across the interior surface of at least one of the corrugated paperboard sheets to provide a non-bonding area. A pair of spaced parallel perforations extend through paperboard sheet and the tape to form a tear strip which is narrower in width than the tape to provide access to the interior compartment.Field of SearchLAMINATE SHEET PACKETFrangible With gas permeable cover Tearing facilitated by specified fiber or molecular orientation Including a separate tearing element which is gripped and pulled to open the bag Cord, string, wire, or thread Line of weakness delineates substantially the entire tearing path Specified detail of a score or perforation (e.g., size, spacing, etc.) Box includes a separate tearing element which is gripped and pulled to open the box Thread, string, cord, or wire | |
