Electric heater

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Description

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.

Claims

The ornamental design for an electric heater, as shown and described.

Referenced Cited
U.S. Patent Documents
D225851 January 1973 Cowan
D267970 February 15, 1983 Gronwick
D271132 October 25, 1983 Boldt et al.
D468414 January 7, 2003 Fok
D509291 September 6, 2005 Cunningham et al.
D537154 February 20, 2007 Cunningham et al.
7217098 May 15, 2007 Lim
D580028 November 4, 2008 Catrino
D593662 June 2, 2009 Chen
D620569 July 27, 2010 Hall et al.
D639919 June 14, 2011 Yu
D640355 June 21, 2011 Yu
Patent History
Patent number: D663810
Type: Grant
Filed: Aug 19, 2011
Date of Patent: Jul 17, 2012
Inventor: Jianhua Ren (Jiangmen)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Attorney: Ding Yu Tan
Application Number: 29/399,824