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The ornamental design for an electric heater, as shown and described. |
FIG. 1 is a front elevational view of an electric heater, showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is an elevational view of the opposite side thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front elevational view of a second embodiment of an electric heater;
FIG. 8 is a rear elevational view thereof;
FIG. 9 is a side elevational view thereof;
FIG. 10 is an elevational view of the opposite side thereof;
FIG. 11 is a top plan view thereof;
FIG. 12 is a bottom plan view thereof;
FIG. 13 is a front elevational view of a third embodiment of an electric heater;
FIG. 14 is a rear elevational view thereof;
FIG. 15 is a side elevational view thereof;
FIG. 16 is an elevational view of the opposite side thereof;
FIG. 17 is a top plan view thereof;
FIG. 18 is a bottom plan view thereof;
FIG. 19 is a front elevational view of a fourth embodiment of an electric heater;
FIG. 20 is a rear elevational view thereof;
FIG. 21 is a side elevational view thereof;
FIG. 22 is an elevational view of the opposite side thereof;
FIG. 23 is a top plan view thereof;
FIG. 24 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 24 1984 | Rakennusvalmiste Oy | (assignment on the face of the patent) | / | |||
May 20 1986 | HAMALAINEN, ILKKA | Rakennusvalmiste Oy | ASSIGNMENT OF ASSIGNORS INTEREST | 004557 | /0264 |
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