Office chair base
Description
The broken lines in the figures illustrate portions of the office chair base that form no part of the claimed design.
Claims
The ornamental design for an office chair base, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Luo, Lucky. “Why Are Office Chairs Designed with Five-star Bases?” linkedin.com, site visited Mar. 7, 2023 <https://www.linkedin.com/pulse/why-office-chairs-designed-five-star-bases-ivy-luo> (Year: 2022).
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Patent History
Patent number: D993698
Type: Grant
Filed: Feb 8, 2023
Date of Patent: Aug 1, 2023
Inventor: Xiaohua Li (Guangdong)
Primary Examiner: Kevin K Rudzinski
Assistant Examiner: Paul D Bohannon
Application Number: 29/870,904
Type: Grant
Filed: Feb 8, 2023
Date of Patent: Aug 1, 2023
Inventor: Xiaohua Li (Guangdong)
Primary Examiner: Kevin K Rudzinski
Assistant Examiner: Paul D Bohannon
Application Number: 29/870,904
Classifications
Current U.S. Class:
D6/708.23