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
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Patent History
Patent number: D743890
Type: Grant
Filed: Aug 27, 2014
Date of Patent: Nov 24, 2015
Assignee: SHENZHEN LONGOOD INTELLIGENT ELECTRIC CO., LTD (Shenzhen, Guangdong)
Inventors: Xianwu Liu (Shenzhen), Jun Ding (Chibi)
Primary Examiner: Derrick Holland
Assistant Examiner: Jennifer O King
Application Number: 29/500,626
Type: Grant
Filed: Aug 27, 2014
Date of Patent: Nov 24, 2015
Assignee: SHENZHEN LONGOOD INTELLIGENT ELECTRIC CO., LTD (Shenzhen, Guangdong)
Inventors: Xianwu Liu (Shenzhen), Jun Ding (Chibi)
Primary Examiner: Derrick Holland
Assistant Examiner: Jennifer O King
Application Number: 29/500,626
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)