Engine heating unit

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Description

FIG. 1 is a perspective view of an engine heating unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D183928 November 1958 Hose
D202430 September 1965 Kane
D295864 May 24, 1988 Toivio et al.
1817850 August 1931 Schwalbach
2712815 July 1955 Blessing
3134374 May 1964 Stevens
3795046 March 1974 Shirn
3970816 July 20, 1976 Hosokawa et al.
4506138 March 19, 1985 Bennett et al.
4706644 November 17, 1987 Nakai
4844029 July 4, 1989 Suzuki
Patent History
Patent number: D310817
Type: Grant
Filed: Apr 25, 1988
Date of Patent: Sep 25, 1990
Inventors: Larry Johnson (Woodstock, GA), Leonard McCommon (Woodstock, GA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Attorney: L. Arnold Thaxton
Application Number: 7/185,813