Air cushion
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Description
Claims
The ornamental design for an air cushion, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D878809
Type: Grant
Filed: Apr 23, 2018
Date of Patent: Mar 24, 2020
Assignee: (Yueqing)
Inventor: Wei Chen (Yueqing)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Sanjeev Paul
Application Number: 29/644,994
Type: Grant
Filed: Apr 23, 2018
Date of Patent: Mar 24, 2020
Assignee: (Yueqing)
Inventor: Wei Chen (Yueqing)
Primary Examiner: Michelle E. Wilson
Assistant Examiner: Sanjeev Paul
Application Number: 29/644,994
Classifications
Current U.S. Class:
D6/601