Power failure light
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The broken line showing is for illustrative purposes only and forms no part of the claimed design.
Claims
The ornamental design for a power failure light, as shown and described.
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Type: Grant
Filed: Jun 18, 2008
Date of Patent: Mar 24, 2009
Assignee: Osram Sylvania Inc. (Danvers, MA)
Inventors: Charles M. Coushaine (Rindge, NH), Laura Peach (New Boston, NH)
Primary Examiner: Ian Simmons
Assistant Examiner: Carissa C Fitts
Attorney: William E Meyer
Application Number: 29/308,448