Patent
   D503220
Priority
Aug 12 2003
Filed
Jan 20 2004
Issued
Mar 22 2005
Expiry
Mar 22 2019
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for the electric heater, as shown and described.

FIG. 1 is a perspective view of the electric heater according to the invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, and the right side elevational view is a mirror image of the left side.

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Kim, Sang-Won

Patent Priority Assignee Title
D633189, Nov 19 2009 NATIONAL PRESTO INDUSTRIES, INC Dish-style electric heater
D687937, Jun 07 2012 TWIN-STAR INTERNATIONAL, INC Floor heater
D909550, Sep 11 2019 THE MERCHANT OF TENNIS, INC Portable heater
D972095, Nov 18 2020 NATIONAL PRESTO INDUSTRIES, INC Tiltable heating device
D989268, Jan 29 2021 JIANGMEN KEYE ELECTRIC APPLIANCES MANUFACTURING CO., LTD Fan heater
Patent Priority Assignee Title
D312684, Oct 07 1988 NATIONAL PRESTO INDUSTRIES, INC Parabolic electric heater
D385022, Jul 20 1995 Sunbeam Products, Inc Parabolic heater
D412565, Aug 20 1998 Electric heater
D413660, May 20 1998 Electric heater
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 15 2004KIM, SANG-WONJST INDUSTRIES CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0149120757 pdf
Jan 20 2004JST Industries Co., Ltd.(assignment on the face of the patent)
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