Ribbed metal ring binder

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Description

FIG. 1 is an isometric view of a ribbed metal ring binder, showing my new design from above and to one side;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side view thereof, the left side view being identical; and,

FIG. 5 is an end view thereof, both ends being identical.

Referenced Cited
U.S. Patent Documents
D389182 January 13, 1998 Law
838201 December 1906 Mudd
881829 March 1908 Schultz et al.
1072633 September 1913 Miller
1201214 October 1916 Miller
1625752 April 1927 Sterling
1897001 February 1933 Dawson
1932874 October 1933 Adams et al.
2907332 October 1959 Rankin
4368995 January 18, 1983 Cohen
5160209 November 3, 1992 Schussler
5286128 February 15, 1994 Gillum
5348412 September 20, 1994 Fuller
5577852 November 26, 1996 To
Patent History
Patent number: D409240
Type: Grant
Filed: Mar 25, 1998
Date of Patent: May 4, 1999
Assignee: Hong Kong Stationary Manufacturing Co., Ltd. (Kowloon)
Inventor: Chung Nin Ko (Kowloon)
Primary Examiner: Martie K. Holtje
Law Firm: Shoemaker and Mattare, Ltd.
Application Number: 0/85,518
Classifications
Current U.S. Class: Element Or Attachment (D19/32); Ring Bound Or Looseleaf Type (D19/27)
International Classification: 1904;