Laminates and laminated articles
Patent 4658434 Issued on April 14, 1987. Estimated Expiration Date: 
May 29, 2006. 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.
May 29, 2006. 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 ReferencesMaterial for packaging light-sensitive materials Linear polyethylene shrink films Shipping bag Container body of the composite type and container comprising said body Packing laminate Multilayer plastic articles Patent #: 4605576 InventorAssigneeApplicationNo. 06/867961 filed on 05/29/1986US Classes:383/66, For access opening in sidewall383/80, Cap-type428/35.9, Three or more layers (continuous layer)428/36.7, Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers (continuous layer)428/461, Next to addition polymer from unsaturated monomers428/516Monoolefin polymerExaminersPrimary: Van Balen, William J.Attorney, Agent or FirmInternational ClassesB32B 15/08 (20060101)B65D 30/08 (20060101) AbstractA laminate having a first layer of heat sealable plastics material, a second layer of high density plastics, a third layer of high density plastics cross-laminated to the second layer, a fourth layer of foil and a fifth layer of plastics material. A sack or container is also disclosed, which sack or container is formed from the aforesaid laminate.Field of SearchFor access opening in sidewall | |
