Chair backrest
Description
The broken lines shown in the drawings depict portions of the chair backrest that forms no part of the claimed design.
Claims
The ornamental design for the chair backrest as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
| D249217 | September 5, 1978 | Pierce |
| D595072 | June 30, 2009 | Su |
| D595520 | July 7, 2009 | Su |
| D603632 | November 10, 2009 | Su |
| D646086 | October 4, 2011 | Hickman |
| D882318 | April 28, 2020 | Weller |
- Modern Molded Plastic Outdoor Dining Chair, posted date unavailable, [online], [retrieved Mar. 10, 2026], Retrieved from internet, https://www.overstock.com/Home-Garden/Plastic-Modern-Outdoor-Dining-Chair-with-Open-Curved-Back/35281102/product.html (Year: 2026).
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- International Design Patent KR3020240009924M001, published Feb. 27, 2025, [KR], Oh, Chi Gwan, Retrieved via Design Vision Search (Year: 2025).
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Patent History
Patent number: D1138424
Type: Grant
Filed: Feb 26, 2025
Date of Patent: Aug 4, 2026
Assignee: SIDIZ INC. (Pyeongtaek-si)
Inventor: Chi Gwan Oh (Goyang-si)
Primary Examiner: Barbara Fox
Assistant Examiner: Christopher Torma
Application Number: 29/991,103
Type: Grant
Filed: Feb 26, 2025
Date of Patent: Aug 4, 2026
Assignee: SIDIZ INC. (Pyeongtaek-si)
Inventor: Chi Gwan Oh (Goyang-si)
Primary Examiner: Barbara Fox
Assistant Examiner: Christopher Torma
Application Number: 29/991,103
Classifications
Current U.S. Class:
D6/716.4