发明名称 Protective, removable book cover with transparent marking overlays
摘要 A removable, protective book cover is provided which includes a jacket portion removably mountable in operative relationship with the binding of a book and having transparent overlay sheets secured thereto which may be disposed in operative relationship with the relevant pages of the book with which the cover is associated, said sheets incorporating hinges which facilitate the juxtaposition of the underside of the transparent overlay sheets in operative relationship with the relevant pages of the book so that maximum perception of the printed or other material on the page may be achieved by the person utilizing the book. Retaining element is provided to retain the cover in a desired closed, protective configuration between periods of usage.
申请公布号 US5029899(A) 申请公布日期 1991.07.09
申请号 US19890415564 申请日期 1989.10.02
申请人 SCHIEPPATI, PATRICE D.;SCHIEPPATI, DANIEL A. 发明人 SCHIEPPATI, PATRICE D.;SCHIEPPATI, DANIEL A.
分类号 B42D3/04;B42D3/12 主分类号 B42D3/04
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