Chair base
Description
The broken lines shown in the drawings depict portions of the chair base that form no part of the claimed design.
Claims
The ornamental design for a chair base, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Swivel Chair Base Metal Chair Base OfficeChairsUSA. [online] Published on Feb. 20, 2015. Retrieved Apr. 3, 2018 from URL: https://officechairsusa.com/back-app-2-0-sit-stand-chair-base-only/?gclid=Cj0KCQjwzlzWBRDnARIsAAkc8hF-db6Tn4Ho6qNDFLpPkWyti90FntkRG-sJomKZ_51-Ais6eOUapeEaApuiEALw_wcB#sthash.FmoBf7w3.dpbs.
Patent History
Patent number: D832632
Type: Grant
Filed: Apr 4, 2017
Date of Patent: Nov 6, 2018
Inventor: Yang Xingchang (Foshan)
Primary Examiner: Vy N Koenig
Application Number: 29/599,482
Type: Grant
Filed: Apr 4, 2017
Date of Patent: Nov 6, 2018
Inventor: Yang Xingchang (Foshan)
Primary Examiner: Vy N Koenig
Application Number: 29/599,482
Classifications
Current U.S. Class:
D6/708