Ring binder
FIG. 1 is an enlarged top perspective view of a ring binder showing my new design in an opened condition;
FIG. 2 is a left side elevational view thereof in a closed condition (a right side elevational view being identical thereto);
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view thereof in a closed condition, showing the front, top and right side thereof; and
FIG. 8 is a fragmentary perspective view thereof on a larger scale, showing the lower front portion depicted in FIG. 7.
The broken line showing of the binder element and sheet of paper in FIGS. 1 and 6 is for illustrative purposes only and forms no part of the claimed design.
The inside surface of the file holder as obscured by the sheet of paper is plain.
Type: Grant
Filed: Jan 18, 1989
Date of Patent: May 14, 1991
Assignee: Innotech AG (Schellenberg)
Inventor: Heinz Witschi (Ortschwaben)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Pamela J. Schmidt
Law Firm: Cushman, Darby & Cushman
Application Number: 7/298,094