Engine block heater extension

Description

FIG. 1 is a perspective view of an engine block heater extension showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

FIG. 1 is on an enlarged scale.

Referenced Cited
U.S. Patent Documents
D329637 September 22, 1992 Sutton
D352928 November 29, 1994 Ford
D363461 October 24, 1995 Duckman et al.
1658694 February 1928 Sturge
4467979 August 28, 1984 Koehler
Foreign Patent Documents
1419174 October 1969 FRX
Patent History
Patent number: D387776
Type: Grant
Filed: Oct 18, 1996
Date of Patent: Dec 16, 1997
Inventor: Jamie Chan (Williams Lake, BC)
Primary Examiner: Ted Shooman
Assistant Examiner: Nanda Bondade
Attorney: Harold H. Dutton, Jr.
Application Number: 0/61,278
Classifications
Current U.S. Class: Element Or Attachment (D15/5); D13/140
International Classification: 1501;