Combination spark plug gauge and adjuster

Description

FIG. 1 is a top, front and left side perspective view of a combination spark plug gauge and adjuster showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a bottom plan view;

FIG. 7 is a top, front and left side perspective view of another embodiment of FIGS. 1-6 showing my new design;

FIG. 8 is a front elevational view;

FIG. 9 is a left side elevational view;

FIG. 10 is a right side elevational view;

FIG. 11 is a rear elevational view; and,

FIG. 12 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D221684 August 1971 Martel et al.
D257656 December 23, 1980 Walker
1514525 November 1924 Hoke
1889897 December 1932 Johanscon
1946432 February 1934 Aldeborgh
4477974 October 23, 1984 Knochel
Foreign Patent Documents
450119 March 1950 ITX
Patent History
Patent number: D330520
Type: Grant
Filed: Nov 22, 1991
Date of Patent: Oct 27, 1992
Assignee: Chemi-Trol Chemical Co. (Fremont, OH)
Inventor: Dale O. Meadows (Clyde, OH)
Primary Examiner: Carmen H. Vales-Lado
Assistant Examiner: Antoine D. Davis
Law Firm: Marshall & Melhorn
Application Number: 7/796,214