Electric heater
Description
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: D663811
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: 29/399,825
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: 29/399,825
Classifications
Current U.S. Class:
Mobile Space Heater, E.g., Wheeled Blower Type, Etc. (D23/317)