Ring binder

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Description

FIG. 1 is a perspective view of a first embodiment of the ring binder of the present invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof (the left side being identical);

FIG. 4 is an end view thereof (the other end being identical);

FIG. 5 is a perspective view of a second embodiment of the ring binder of the present invention;

FIG. 6 is a top plan view thereof;

FIG. 7 is a right side view thereof (the left side being identical);

FIG. 8 is an end view thereof (the other end being identical);

FIG. 9 is a perspective view of a third embodiment of the ring binder of the present invention;

FIG. 10 is a top plan view thereof;

FIG. 11 is a right side view thereof (the left side being identical); and,

FIG. 12 is an end view thereof (the other end being identical).

Referenced Cited
U.S. Patent Documents
D382593 August 19, 1997 To
D392997 March 31, 1998 Chan
D405113 February 2, 1999 Ko
D409240 May 4, 1999 Ko
1291320 January 1919 Whitlock
3132649 May 1964 Gits
5348412 September 20, 1994 Fuller
Patent History
Patent number: D433445
Type: Grant
Filed: Jan 28, 2000
Date of Patent: Nov 7, 2000
Assignee: World Wide Stationery Mfg. Co., Ltd. (New Territories)
Inventor: Chun Yuen To (Shatin)
Primary Examiner: Martie K. Holtje
Law Firm: Birch, Stewart, Kolasch & Birch, LLP
Application Number: 0/117,861
Classifications
Current U.S. Class: Element Or Attachment (D19/32); Ring Bound Or Looseleaf Type (D19/27)
International Classification: 1904;