Book cover blank
Patent 4615541 Issued on October 7, 1986. Estimated Expiration Date: 
October 7, 2003. 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.
October 7, 2003. 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 1602816 1995596 2674071 3169029 3231296 3314089 Book cover Straight line glued folder Patent #: 4301962 InventorAssigneeApplicationNo. 06/471356 filed on 03/02/1983US Classes:281/29, Covers281/34, Removable281/36, Backs412/3Of making a caseExaminersPrimary: Spruill, Robert L.Assistant: Ross, Taylor J. Attorney, Agent or FirmInternational ClassesB42D 3/00 (20060101)B42D 1/00 (20060101) B42C 7/00 (20060101) B42D 1/02 (20060101) Foreign Application Priority Data1983-02-01 DEAbstractThe invention relates to a book, comprising a book cover blank and an inner book having a spine. The book cover blank is preferably formed in one piece, includes two inner cover portions, two outer cover portions, at least one spine member, and a spine portion. The inner cover portions are glued to the outer cover portions. At least one spine member is arranged on the inside over the spine portion without any bond thereto. The spine member is connected in one piece with the cover blank and is attached to the spine of the inner book. | |
