Packaging case having improved sidewall structure
Patent 5511663 Issued on April 30, 1996. Estimated Expiration Date: 
December 9, 2014. 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 9, 2014. 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 2458844 2472521 2624521 2803339 3229812 3246742 Carton core retainers Patent #: 4298123 InventorsAssigneeApplicationNo. 353516 filed on 12/09/1994US Classes:206/395, Folded blank206/408, With content positioner225/49Blade unitary with containerExaminersPrimary: Gehman, Bryon P.Attorney, Agent or FirmForeign Patent References
International ClassB65D 005/72Foreign Application Priority Data1993-12-15 JPAbstractA packaging case includes a case body for storing a wrap film and a lid continuously formed with the top edge portion of a rear wall of the case body. Flap pieces extend outward to be pivotal on the top edge portions of side walls of the case body. Stepped portions engaged with the flap pieces to prevent floating of the lid are formed on the inner surfaces of lid side walls covered on the side walls of the main body during closing of the lid. Predetermined portions of the side walls of the main body continuous with the flap pieces are made thinner than remaining portions of the side walls. The inner surfaces of the remaining portions are located inside the inner surfaces of the predetermined portions. | |
