Paper container and method for manufacturing the same
Patent 6237845 Issued on May 29, 2001. Estimated Expiration Date: 
September 23, 2019. 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.
September 23, 2019. 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 ReferencesInventorsAssigneeApplicationNo. 09/401979 filed on 09/23/1999US Classes:229/400, PAPER OR PAPERBOARD CUP229/186, Adjacent sidewalls connected by a folded web unitary with both (i.e., "corner fold")229/4.5Cylindrical or conical body, or wall structureExaminersPrimary: Elkins, Gary E.Attorney, Agent or FirmInternational ClassesB65D 5/24 (20060101)B65D 5/20 (20060101) Foreign Application Priority Data1999-04-27 JPAbstractAn improved paper container having a deep bottom which is formed from a single sheet of paper blank, and a method of making the same, is provided, which may be used as a drink container, food container or for any application requiring a container having strong, waterproof capabilities. Such a paper container is formed from a paper blank prepared by cutting a sheet of original paper in a predetermined shape, forming numerous ruled lines on the blank, folding along the ruled lines in various detailed steps, and finally curling back an upper face opening edge (serving as the mouth of the container). | |
