Patent
   D287751
Priority
Nov 01 1983
Filed
Apr 24 1984
Issued
Jan 13 1987
Expiry
Jan 13 2001
Assg.orig
Entity
unknown
9
5
n/a
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.

Hamalainen, Ilkka

Patent Priority Assignee Title
D489122, Jan 10 2002 Helen of Troy Limited Electric heater
D618327, Dec 19 2008 Panel heater
D722372, Oct 25 2012 RUNTAL HOLDING COMPANY S A Radiator for heating
D722373, Oct 25 2012 RUNTAL HOLDING COMPANY S A Radiator for heating
D925711, May 25 2020 GUANGZHOU LINGGE E-COMMERCE CO , LTD Coop heater
ER3645,
ER7464,
ER7706,
ER913,
Patent Priority Assignee Title
3313920,
3961157, Jan 06 1975 Safeway Products Inc. Electrical radiant heater panel
4294003, Dec 13 1979 HEATERS ENGINEERING, INC Insulated radiant heating panel
157014,
232028,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 24 1984Rakennusvalmiste Oy(assignment on the face of the patent)
May 20 1986HAMALAINEN, ILKKARakennusvalmiste OyASSIGNMENT OF ASSIGNORS INTEREST 0045570264 pdf
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