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Publication numberUSD310817 S
Publication typeGrant
Application numberUS 07/185,813
Publication dateSep 25, 1990
Filing dateApr 25, 1988
Publication number07185813, 185813, US D310817 S, US D310817S, US-S-D310817, USD310817 S, USD310817S
InventorsLarry Johnson, Leonard McCommon
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Engine heating unit
US D310817 S
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  1. The ornamental design for an engine heating unit, as shown and described.

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.

U.S. ClassificationD13/119, D23/324, D15/5