Electronic ballast
Latest Shenzhen Longood Intelligent Electric Co., Ltd Patents:
Description
Claims
The ornamental design for an electronic ballast, as shown and described.
Referenced Cited
U.S. Patent Documents
D332443 | January 12, 1993 | Sharpe |
5742478 | April 21, 1998 | Wu |
D427147 | June 27, 2000 | Wei |
D427969 | July 11, 2000 | Wei |
D478547 | August 19, 2003 | Milby |
D546282 | July 10, 2007 | Wardenburg |
D551621 | September 25, 2007 | Iacovelli et al. |
D558142 | December 25, 2007 | Cho |
D575227 | August 19, 2008 | So |
D581580 | November 25, 2008 | Townsley |
Patent History
Patent number: D716730
Type: Grant
Filed: Feb 12, 2014
Date of Patent: Nov 4, 2014
Assignee: Shenzhen Longood Intelligent Electric Co., Ltd (Shenzhen)
Inventors: Xianwu Liu (Shenzhen), Yujie Zhang (Anhui), Qingsong Chu (Hunan), Jun Ding (Chibi)
Primary Examiner: Derrick Holland
Application Number: 29/481,904
Type: Grant
Filed: Feb 12, 2014
Date of Patent: Nov 4, 2014
Assignee: Shenzhen Longood Intelligent Electric Co., Ltd (Shenzhen)
Inventors: Xianwu Liu (Shenzhen), Yujie Zhang (Anhui), Qingsong Chu (Hunan), Jun Ding (Chibi)
Primary Examiner: Derrick Holland
Application Number: 29/481,904
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)