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The ornamental design for a heat exchange grid for an electric heater, substantially as shown and described. |
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FIG. 1 is a perspective view of a heat exchange grid for an electric heater showing our new design;
FIG. 2 is a front elevational view, the rear elevation being a mirror image thereof;
FIG. 3 is an enlarged fragmentary sectional view, taken along line 3--3 of FIG. 2;
FIG. 4 is an enlarged fragmentary sectional view, taken along line 4--4 of FIG. 2;
FIG. 5 is an enlarged fragmentary sectional view, taken along line 5--5 of FIG. 2;
FIG. 6 is an enlarged fragmentary sectional view, taken along line 6--6 of FIG. 2.
Stover, John C., Boggs, Alben C.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 09 1976 | Emerson Electric Co. | (assignment on the face of the patent) | / |
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