Face mask
The hatching in
The broken lines shown herein are for illustrative purposes only to show environmental features and form no part of the claimed design.
Claims
The ornamental design for a face mask, as shown and described.
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Type: Grant
Filed: Nov 17, 2011
Date of Patent: Nov 5, 2013
Assignee: Nichiei Co., Ltd. (Osaka)
Inventor: Susumu Omoto (Sakai)
Primary Examiner: Zenia Bennett
Application Number: 29/406,650