Electronic ballast

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Description

FIG. 1 is a perspective view of an electronic ballast showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

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
Classifications