Backrest
Description
Claims
The ornamental design for a backrest, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D998382
Type: Grant
Filed: Dec 5, 2022
Date of Patent: Sep 12, 2023
Inventor: Li Li (Xuzhou)
Primary Examiner: Mary Shannon Malley
Assistant Examiner: Michelle Marquart Christeon
Application Number: 29/861,886
Type: Grant
Filed: Dec 5, 2022
Date of Patent: Sep 12, 2023
Inventor: Li Li (Xuzhou)
Primary Examiner: Mary Shannon Malley
Assistant Examiner: Michelle Marquart Christeon
Application Number: 29/861,886
Classifications
Current U.S. Class:
D6/601