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United States Patent D457,559
To May 21, 2002

Ring binder


The ornamental design for a ring binder, as shown and described.
Inventors: To; Chun Yuen (Kauto Shan Shatin N.T., HK)
Assignee: World Wide Stationery Manufacturing Company, Ltd. (HK)
Appl. No.: D/146,093
Filed: August 3, 2001

Current U.S. Class: D19/27 ; D19/32
Current International Class: 1904
Field of Search: D19/22,27,32 402/26,31,36,37,38,39,40,41,42,43,44,45,46,8R,502

References Cited

U.S. Patent Documents
3263687 August 1966 Weichert
4552478 November 1985 Cohen
D325928 May 1992 Bourgedis
5332327 July 1994 Gillum
D377805 February 1997 To
D382593 August 1997 To
D392997 March 1998 Chan
D408851 April 1999 To
5971649 October 1999 To
5980146 November 1999 To
6045286 April 2000 Tung
D426571 June 2000 To
D433445 July 2000 To
D434071 November 2000 To
6217247 April 2001 Ng
Primary Examiner: Mortimer; Paula A.
Attorney, Agent or Firm: Senniger, Powers, Leavitt & Roedel


FIG. 1 is a perspective view of a ring binder showing my new design with the rings in the closed position;

FIG. 2 is a view similar to FIG. 1 with the rings in the open position;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a left end elevational view thereof with the rings in the closed position, the right end being a mirror image thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.

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