Ring binder

Description

FIG. 1 is a top perspective view of a ring binder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is an end elevational view thereof the undisclosed end being a mirror image;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 1;

FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 1;

FIG. 9 is a top perspective view of a second embodiment of initial FIG. 1, it being understood that the only difference resides in the specific shape of the ring element; and,

FIG. 10 is an end elevational view thereof the undisclosed end being a mirror image.

Referenced Cited
U.S. Patent Documents
557754 April 1896 Baldwin et al.
1895629 January 1933 Kellog et al.
1895972 January 1933 Childs
1998977 April 1935 Bidwell
2078988 May 1937 Amato
2251343 August 1941 Spinner
2273746 February 1942 White
2363848 November 1944 Emmer
2512415 June 1950 Buenger et al.
2715906 August 1955 Lucchesi
2888934 June 1959 Segal
3315682 April 1967 Bachman
3827111 August 1974 O'Connell
4582442 April 15, 1986 Rager
4629349 December 16, 1986 Pitts
4693624 September 15, 1987 Moosmuller
4792253 December 20, 1988 Jacobson
5104250 April 14, 1992 Pacione
5160209 November 3, 1992 Schuessler
Patent History
Patent number: D356112
Type: Grant
Filed: Feb 4, 1993
Date of Patent: Mar 7, 1995
Inventor: Arthur T. Constantine (Riverside, CT)
Primary Examiner: James M. Gandy
Assistant Examiner: Pamela Burgess
Law Firm: Lackenbach Siegel Marzullo Aronson & Greenspan
Application Number: 0/4,421
Classifications
Current U.S. Class: Element Or Attachment (D19/32)