Mattress
Description
Claims
The ornamental design for a mattress, as shown and described.
Referenced Cited
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Patent History
Patent number: D725408
Type: Grant
Filed: Apr 4, 2014
Date of Patent: Mar 31, 2015
Assignee: Joinwin Technology Co., Ltd. (Taichung)
Inventor: Cheng-Wei Chang (Taichung)
Primary Examiner: John Windmuller
Assistant Examiner: Bao-Yen Nguyen
Application Number: 29/487,026
Type: Grant
Filed: Apr 4, 2014
Date of Patent: Mar 31, 2015
Assignee: Joinwin Technology Co., Ltd. (Taichung)
Inventor: Cheng-Wei Chang (Taichung)
Primary Examiner: John Windmuller
Assistant Examiner: Bao-Yen Nguyen
Application Number: 29/487,026
Classifications
Current U.S. Class:
D6/605