Back cushion
Description
Claims
We claim, the ornamental design for a back cushion, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D990929
Type: Grant
Filed: Oct 19, 2020
Date of Patent: Jul 4, 2023
Inventors: Joseph David Federl (Austin, TX), Deng Yu Qing (Tianjin)
Primary Examiner: Natasha Vujcic
Assistant Examiner: Gilbert B Ford
Application Number: 29/755,318
Type: Grant
Filed: Oct 19, 2020
Date of Patent: Jul 4, 2023
Inventors: Joseph David Federl (Austin, TX), Deng Yu Qing (Tianjin)
Primary Examiner: Natasha Vujcic
Assistant Examiner: Gilbert B Ford
Application Number: 29/755,318
Classifications
Current U.S. Class:
D6/601