Patent
   D663809
Priority
May 04 2011
Filed
Aug 19 2011
Issued
Jul 17 2012
Expiry
Jul 17 2026
Assg.orig
Entity
unknown
6
12
n/a
The ornamental design for an electric heater, as shown and described.

FIG. 1 is a front view of an electric heater showing this new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a perspective view thereof.

Ren, Jianhua

Patent Priority Assignee Title
D744623, May 02 2012 Electric heater
D756496, Jul 03 2014 Outdoor heater
D931428, Sep 13 2019 Outdoor heater
D961744, Sep 13 2019 Outdoor heater
D984612, Oct 18 2022 Fan heater
D984613, Aug 16 2022 Heater
Patent Priority Assignee Title
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