Ring binder

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Description

FIG. 1 is a perspective view of an embodiment of the ring binder according to the present invention with rings closed;

FIG. 2 is a perspective view of a ring binder as in FIG. 1 with rings open;

FIG. 3 is a side view of the ring binder as in FIG. 1;

FIG. 4 is a top view of the ring binder as in FIG. 1;

FIG. 5 is a front view of the ring binder as in FIG. 1;

FIG. 6 is a side view of the ring binder as in FIG. 1;

FIG. 7 is a bottom view of the ring binder as in FIG. 1; and,

FIG. 8 is an end view of the ring binder as in FIG. 1.

Referenced Cited
U.S. Patent Documents
D325928 May 5, 1992 Bourgeois
D356112 March 7, 1995 Constantine
D377805 February 4, 1997 To
2091188 August 1937 St. Louis
2801115 July 1957 Federbush et al.
3101719 August 1963 Vernon
3334920 August 1967 Orth
3404685 October 1968 Vernon
Other references
  • Boorum & Pease, p. 36, see Ringbinder Mechanism, left side of page, .COPYRGT., 1954.
Patent History
Patent number: D389183
Type: Grant
Filed: Sep 18, 1996
Date of Patent: Jan 13, 1998
Assignee: Leco Stationery Manufacturing Co., Ltd.
Inventor: Keung Chan (An Hsin)
Primary Examiner: Martie Thompson
Law Firm: Dority & Manning, P.A.
Application Number: 0/60,299
Classifications
Current U.S. Class: Element Or Attachment (D19/32); Ring Bound Or Looseleaf Type (D19/27)
International Classification: 1904;