Split ring opening device

Description

FIG. 1 is a perspective view of a split ring opening device of the claimed design shown from a right-hand perspective;

FIG. 2 is a perspective view of the split ring opening device of FIG. 1 shown from a left-hand perspective;

FIG. 3 is front elevational view of the split ring opening device of FIG. 1 of the claimed desgn;

FIG. 4 is a side elevational view of the right-hand side of the split ring opening device of FIG. 1 of the claimed design;

FIG. 5 is a side elevational view of the left-hand side of the split ring opening device of FIG. 1 of the claimed design;

FIG. 6 is a bottom end view of the split ring opening device of FIG. 1 of the claimed design; and,

FIG. 7 is a top sectional view of the split ring opening device of FIG. 3.

The broken line showings in FIG. 1-7 are for illustrative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D116179 August 1939 Yates, Jr.
D358536 May 23, 1995 Gore et al.
D374344 October 8, 1996 Sunderland et al.
D389624 January 20, 1998 Drimmie et al.
4325273 April 20, 1982 Gibbons
4543860 October 1, 1985 Van Meter
4706477 November 17, 1987 Rousseau
4719778 January 19, 1988 Murphy et al.
4790161 December 13, 1988 Dick
5367896 November 29, 1994 Sundberg
5373717 December 20, 1994 Gore et al.
Patent History
Patent number: D404621
Type: Grant
Filed: Feb 23, 1998
Date of Patent: Jan 26, 1999
Inventor: Grover J. Liese (Honolulu, HI)
Primary Examiner: Caron D. Veynar
Law Firm: Welsh & Katz, Ltd.
Application Number: 0/83,995
Classifications
Current U.S. Class: D 8/16; D8/14; Key Holders (70/456R)
International Classification: 0805;