Headphones
The broken lines form no part of the claimed design.
Claims
The ornamental design for headphones, as shown and described.
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Type: Grant
Filed: Feb 12, 2009
Date of Patent: Sep 7, 2010
Assignee: Psyko Audio Labs Inc. (Calgary, Alberta)
Inventors: James Hildebrandt (Calgary), Michael Kurtz (Calgary), Scott Wilson (Calgary)
Primary Examiner: Paula Greene
Attorney: Winston & Strawn LLP
Application Number: 29/332,317