Punch used for jig for perforating paper sheets and for binding said paper sheets perforated on a ring binder

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Description

FIG. 1 is a front, top, right side perspective view of punch used for jig for perforating paper sheets and for binding said paper sheets perforated on a ring binder embodying my new design;

FIG. 2 is a front, top, right side perspective view thereof showing a state that a lock is released;

FIG. 3 is a rear, left side perspective view thereof showing a state that a lock is released;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D300332 March 21, 1989 Mori
D304131 October 24, 1989 Tanigami
D321907 November 26, 1991 Matsuno
D349301 August 2, 1994 Mori
D397725 September 1, 1998 Mori
3921487 November 1975 Otsuka et al.
Foreign Patent Documents
726574 March 1988 JPX
776751 December 1989 JPX
792925 July 1990 JPX
874352 August 1993 JPX
Patent History
Patent number: D408453
Type: Grant
Filed: Nov 24, 1997
Date of Patent: Apr 20, 1999
Assignee: Carl Jimuki Kabushiki Kaisha (Tokyo)
Inventor: Makoto Mori (Katsushika-ku)
Primary Examiner: Martie K. Holtje
Law Firm: Oliff & Berridge, PLC
Application Number: 0/79,875
Classifications
Current U.S. Class: Perforating Or Cutting (13) (D19/72); Office Equipment Not Elsewhere Specified (D19/65)
International Classification: 1902;