Continuity tester for engine block heater

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a continuity tester for engine block heater showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D223001 February 1972 Bonanno
D363241 October 17, 1995 Thomson
2622214 December 1952 Brenson
3924914 December 1975 Banner
4293172 October 6, 1981 Lingaraju
4879739 November 7, 1989 Forson
5546009 August 13, 1996 Raphael
Patent History
Patent number: D400113
Type: Grant
Filed: Sep 5, 1996
Date of Patent: Oct 27, 1998
Inventor: Kari U. Aalto (Prince George, BC)
Primary Examiner: Nelson C. Holtje
Attorney: Harold H. Dutton, Jr.
Application Number: 0/59,228
Classifications
Current U.S. Class: Provided With Handle, Or Hand-held (D10/78)
International Classification: 1004;