Mask
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Claims
The ornamental design for a mask, as shown and described.
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Type: Grant
Filed: Aug 20, 2021
Date of Patent: Jul 23, 2024
Assignee: KOKEN LTD. (Tokyo)
Inventors: Seiji Taguchi (Tokyo), Shingo Ishikawa (Tokyo)
Primary Examiner: Richard Kearney
Assistant Examiner: Michael Hoffman
Application Number: 29/804,552