Mattress
The broken lines in the drawings depict environmental structure and boundaries and form no part of the claimed design.
Claims
The ornamental design for a mattress, as shown and described.
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Type: Grant
Filed: Aug 19, 2020
Date of Patent: Jan 5, 2021
Inventor: Li Yang (Jiangsu)
Primary Examiner: Jennifer L Rempfer
Application Number: 29/747,096