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The broken lines in the drawings illustrate portions of the keyboard which form no part of the claimed design.
The line shading represents surface contour shape and does not represent surface ornamentation.
Claims
The ornamental design for a keyboard, as shown and described.
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Type: Grant
Filed: Jun 28, 2013
Date of Patent: Jan 20, 2015
Assignee: Microsoft Corporation (Redmond, WA)
Inventors: Young Soo Kim (Seattle, WA), James Iming Tsai (Redmond, WA)
Primary Examiner: Deanna L Pratt
Assistant Examiner: Harold Blackwell, II
Application Number: 29/459,449