Light ballast
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Description
The broken lines in the drawings illustrate portions of the light ballast which form no part of the claimed design.
Claims
The ornamental design for a light ballast, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D710528
Type: Grant
Filed: Jun 13, 2013
Date of Patent: Aug 5, 2014
Assignee: Hydrofarm, Inc. (Petaluma, CA)
Inventors: Peter Wardenburg (Novato, CA), Jason Mengelkoch (Sonoma, CA)
Primary Examiner: Deanna L Pratt
Assistant Examiner: Natasha Vujcic
Application Number: 29/457,910
Type: Grant
Filed: Jun 13, 2013
Date of Patent: Aug 5, 2014
Assignee: Hydrofarm, Inc. (Petaluma, CA)
Inventors: Peter Wardenburg (Novato, CA), Jason Mengelkoch (Sonoma, CA)
Primary Examiner: Deanna L Pratt
Assistant Examiner: Natasha Vujcic
Application Number: 29/457,910
Classifications
Current U.S. Class:
Fluorescent Tube Type (D26/75)