Progressively perforated tape roll
Patent 5763038 Issued on June 9, 1998. Estimated Expiration Date: 
February 25, 2017. 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.
February 25, 2017. 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 ReferencesInventorApplicationNo. 806186 filed on 02/25/1997US Classes:428/43, SHEET, WEB, OR LAYER WEAKENED TO PERMIT SEPARATION THROUGH THICKNESS15/104.002, Adhesive lint remover428/343, Adhesive outermost layer428/906ROLL OR COILExaminersPrimary: Davis, JennaAttorney, Agent or FirmInternational ClassC09J 007/02AbstractA tape includes a backing layer and an adhesive layer formed on the backing layer. A plurality of lines of perforations extend across the tape to separate the tape into sheets. The sheets have progressively increasing lengths such that, when the sheets are wound into a roll, each sheet is longer than the sheet underneath it. When in a roll, the outermost sheet covers all of the lines of perforations to reduce instances of the tape tearing in a downweb direction. | |
