Mattress
Description
The broken lines shown in
Claims
The ornamental design for a mattress, as shown and described.
Referenced Cited
Patent History
Patent number: D849445
Type: Grant
Filed: Dec 29, 2017
Date of Patent: May 28, 2019
Inventor: Jianqing Li (Fujian)
Primary Examiner: R. Johnson
Application Number: 29/631,340
Type: Grant
Filed: Dec 29, 2017
Date of Patent: May 28, 2019
Inventor: Jianqing Li (Fujian)
Primary Examiner: R. Johnson
Application Number: 29/631,340
Classifications
Current U.S. Class:
D6/596