Paper binder

- Canon
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Description

FIG. 1 is a front elevational view of a paper binder showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D288212 February 10, 1987 Nordgren
3518143 June 1970 Fuhr
3717366 February 1973 Decker
3992741 November 23, 1976 Staats
4141100 February 27, 1979 Domroe et al.
4178201 December 11, 1979 Power et al.
4367116 January 4, 1983 Wiholm
4531874 July 30, 1985 Voges
4818168 April 4, 1989 Battisti
4902183 February 20, 1990 Vercillo et al.
4986713 January 22, 1991 Zoltner et al.
Patent History
Patent number: D320228
Type: Grant
Filed: Oct 10, 1989
Date of Patent: Sep 24, 1991
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventors: Masataka Isomoto (Kawasaki), Mitsuru Sakurai (Musashino)
Primary Examiner: A. Hugo Word
Assistant Examiner: CathyAnne MacCormac
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 7/418,466
Classifications
Current U.S. Class: D18/34