Lighting ballast

- Acuity Brands, Inc.
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Description

FIG. 1 shows a perspective view of a lighting ballast according to a first embodiment of the present invention.

FIG. 2 shows a right elevation view of the lighting ballast of FIG. 1.

FIG. 3 shows a left elevation view of the lighting ballast of FIG. 1.

FIG. 4 shows a front view of the lighting ballast of FIG. 1.

FIG. 5 shows a rear view of the lighting ballast of FIG. 1.

FIG. 6 shows a top view of the lighting ballast of FIG. 1.

FIG. 7 shows a perspective view of a lighting ballast according to another embodiment of the present invention.

FIG. 8 shows a right elevation view of the lighting ballast of FIG. 7.

FIG. 9 shows a left elevation view of the lighting ballast of FIG. 7.

FIG. 10 shows a front view of the lighting ballast of FIG. 7.

FIG. 11 shows a rear view of the lighting ballast of FIG. 7; and,

FIG. 12 shows a top view of the lighting ballast of FIG. 7.

The broken lines shown are for illustrative purposes and form no part of the claimed design.

Claims

The ornamental design for lighting ballast, as shown and described.

Referenced Cited
U.S. Patent Documents
3360687 December 1967 Riesland
4916363 April 10, 1990 Burton et al.
D339324 September 14, 1993 Ahn et al.
5249099 September 28, 1993 Sridharan et al.
D368466 April 2, 1996 Ahn et al.
D380443 July 1, 1997 Ahn et al.
D406101 February 23, 1999 Ahn et al.
D477568 July 22, 2003 Milby
Patent History
Patent number: D550154
Type: Grant
Filed: Dec 6, 2004
Date of Patent: Sep 4, 2007
Assignee: Acuity Brands, Inc. (Atlanta, GA)
Inventor: Paul Kenneth Pickard (Conyers, GA)
Primary Examiner: Stella Reid
Assistant Examiner: Derrick Holland
Attorney: Kilpatrick Stockton, LLP
Application Number: 29/218,664
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)