Ergonomic chair
Description
Claims
The ornamental design for an ergonomic chair, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D976019
Type: Grant
Filed: Oct 31, 2021
Date of Patent: Jan 24, 2023
Inventor: Qiang Wang (Guangzhou)
Primary Examiner: R. Johnson
Application Number: 29/813,688
Type: Grant
Filed: Oct 31, 2021
Date of Patent: Jan 24, 2023
Inventor: Qiang Wang (Guangzhou)
Primary Examiner: R. Johnson
Application Number: 29/813,688
Classifications
Current U.S. Class:
D6/366