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The ornamental design for a fireplace heat exchanger, as shown and described. |
FIG. 1 is a perspective view of a fireplace heat exchanger showing our new design;
FIG. 2 is a plan view thereof;
FIG. 3 is a side elevational view thereof, the side of the heat exchanger now shown herein is a mirror image thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a bottom view thereof.
Metz, Thomas V., Sirois, W. James
Patent | Priority | Assignee | Title |
Patent | Priority | Assignee | Title |
4192286, | Dec 27 1977 | Heat exchanger | |
D254388, | Feb 21 1978 | Arvin Industries, Inc. | Combined grate and fireplace heat exchanger |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 07 1978 | Pacific Fireplace Furnishings, Inc. | (assignment on the face of the patent) | / |
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