Convection heater
Description
Claims
The ornamental design for a convection heater, as shown and described.
Patent History
Patent number: D678492
Type: Grant
Filed: May 18, 2012
Date of Patent: Mar 19, 2013
Assignee: Ningbo SMAL Electrics Co., Ltd. (Yuyao, Zhejiang)
Inventor: Yuejun Dong (Zhejiang)
Primary Examiner: Eric Goodman
Application Number: 29/422,378
Type: Grant
Filed: May 18, 2012
Date of Patent: Mar 19, 2013
Assignee: Ningbo SMAL Electrics Co., Ltd. (Yuyao, Zhejiang)
Inventor: Yuejun Dong (Zhejiang)
Primary Examiner: Eric Goodman
Application Number: 29/422,378
Classifications
Current U.S. Class:
Stabile Space Heater (D23/342)