Back cushion
Description
Claims
The ornamental design for a back cushion, as shown and described.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D898437
Type: Grant
Filed: Mar 29, 2019
Date of Patent: Oct 13, 2020
Inventor: Luqi Yan (Nantong)
Primary Examiner: Jennifer L Rempfer
Application Number: 29/685,662
Type: Grant
Filed: Mar 29, 2019
Date of Patent: Oct 13, 2020
Inventor: Luqi Yan (Nantong)
Primary Examiner: Jennifer L Rempfer
Application Number: 29/685,662
Classifications
Current U.S. Class:
D6/601