Electric heater
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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.
Type: Grant
Filed: Apr 24, 1984
Date of Patent: Jan 13, 1987
Assignee: Rakennusvalmiste Oy
Inventor: Ilkka Hamalainen (Helsinki)
Primary Examiner: Catherine E. Kemper
Law Firm: Andrus, Sceales, Starke & Sawall
Application Number: 6/603,446