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 elevational view of FIG. 1;

FIG. 4 is a top plan view of FIG. 1;

FIG. 5 is an end elevational view of FIG. 1;

FIG. 6 is a side elevational view of the side not shown in FIG. 3;

FIG. 7 is a bottom plan view; and,

FIG. 8 is an end elevational view of the end not shown in FIG. 5.

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 ring binder mechanism, left side of page .COPYRGT.1954.
Patent History
Patent number: D397146
Type: Grant
Filed: Sep 18, 1996
Date of Patent: Aug 18, 1998
Assignee: Leco Stationery Manufacturing Co., Ltd. (Hong Kong)
Inventor: Keung Chan (An Hsin)
Primary Examiner: Martie Thompson
Law Firm: Dority & Manning, P.A.
Application Number: 0/59,930
Classifications
Current U.S. Class: Element Or Attachment (D19/32); Ring Bound Or Looseleaf Type (D19/27)
International Classification: 1904;