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The ornamental design for a combined heat exchanger and fireplace grate, as shown and described. |
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FIG. 1 is a perspective view of a combined heat exchanger and fireplace grate showing my new design;
FIG. 2 is a top plan view of the front section thereof;
FIG. 3 is an enlarged elevational view of the left end cap thereof;
FIG. 4 is an enlarged cross sectional view taken on line 4--4 of FIG. 2;
FIG. 5 is an enlarged cross sectional view taken on line 5--5 of FIG. 2;
FIG. 6 is an enlarged cross sectional view taken on line 6--6 of FIG. 2;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a front elevational view of the grate section thereof;
FIG. 9 is a rear elevational view of the left front section thereof; and
FIG. 10 is a rear elevational view of the right front section thereof.
| Patent | Priority | Assignee | Title |
| D713519, | Aug 30 2012 | Vent guard | |
| D725258, | Nov 13 2013 | Woodburning fireplace grate |
| Patent | Priority | Assignee | Title |
| 3901212, | |||
| 3945369, | Jun 20 1974 | Fireplace heat exchanger | |
| 228728, | |||
| 240536, | |||
| 242543, | |||
| 242544, | |||
| D243184, | Apr 03 1975 | Combined fireplace heater and grate |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Nov 18 1976 | Liberty Foundry Co. | (assignment on the face of the patent) | / |
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