Circuit tester

Description

FIG. 1 is a front elevational view of a circuit tester showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D208549 April 1967 Hoss
D219455 December 1970 Skarsburg
D223001 February 1972 Bonanno
D242232 November 1976 Martin et al.
D277650 February 19, 1985 Mulvaney
D300809 April 25, 1989 Schwartz
2705773 April 1955 Ward
3416074 December 1968 Schoonover
3904958 September 1975 Gartland, Jr. et al.
4111516 September 5, 1978 Wireman
Patent History
Patent number: D314925
Type: Grant
Filed: Jul 23, 1987
Date of Patent: Feb 26, 1991
Inventor: Bernard J. Murphy (Philadelphia, PA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoinc D. Davis
Attorney: Jerry T. Kearns
Application Number: 7/76,935
Classifications