Air cushion
Description
Claims
The ornamental design for an air cushion, as shown and described.
Referenced Cited
Patent History
Patent number: D994393
Type: Grant
Filed: Jun 4, 2021
Date of Patent: Aug 8, 2023
Inventor: Longbiao Ni (Anhui Province)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Carrie A Matteoli
Application Number: 29/787,156
Type: Grant
Filed: Jun 4, 2021
Date of Patent: Aug 8, 2023
Inventor: Longbiao Ni (Anhui Province)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Carrie A Matteoli
Application Number: 29/787,156
Classifications
Current U.S. Class:
D6/604