Parallelepipedic packing container provided with an opening arrangement
Patent 4343402 Issued on August 10, 1982. Estimated Expiration Date: 
December 21, 1999. 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.
December 21, 1999. 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 2385897 3232514 3717244 3797726 Parallelepipedic packing container together with a method for its manufacture Packaging container with a pouring spout Patent #: 4248351 InventorAssigneeApplicationNo. 06/105915 filed on 12/21/1979US Classes:229/216Pour spout formed by tearing a sealing finExaminersPrimary: Marcus, StephenAttorney, Agent or FirmInternational ClassesB65D 5/06 (20060101)B65D 5/02 (20060101) Foreign Application Priority Data1979-01-15 SEAbstractA parallelepipedic packing container of the type which is provided with a sealing fin which extends over the upper end wall of the packing container as well as over triangular, double-walled lugs adjoining this end wall. The sealing fin comprises a narrow sealing zone on the outer edge of the fin and a tearing perforation on the base line of the fin, the tearing perforation extending from the tip of one triangular lug to a point on the end wall of the packing container. The sealing fin is unsealed in the area between the narrow sealing zone and the tearing perforation, and moreover a corresponding sealing fin arranged at the base of the packing container is appreciably narrower than the sealing fin wherein the tearing perforation is arranged. | |
