Chair backrest
Description
The broken lines in the drawings depict portions of the chair backrest that form no part of the claimed design.
Claims
The ornamental design for a chair backrest, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D708884 | July 15, 2014 | Hsuan-Chin |
D780499 | March 7, 2017 | Tsai |
D793142 | August 1, 2017 | Tsai |
10076191 | September 18, 2018 | Chen |
D841997 | March 5, 2019 | Chen |
D927910 | August 17, 2021 | Guo |
D935253 | November 9, 2021 | Wang |
D941599 | January 25, 2022 | Ni |
D953086 | May 31, 2022 | Wang |
11369203 | June 28, 2022 | Mazlish |
D979968 | March 7, 2023 | Wu |
11617445 | April 4, 2023 | Wu |
D988739 | June 13, 2023 | Feng |
- Clatina Ergonomic Office Chair, High Back Breathable Mesh Desk Chair with Adjustable Armrest, 2D Headrest, Lumbar Support, Double Backrest, 4-leavel Tilt Function, Computer Chair for Home, amazon.com, Date First Available: Feb. 2, 2023, pp. 1, 7, from https://www.amazon.com/dp/B0C2J7DL1G/ref=sspa_dk_detail_2?pd_rd_i=B0C2J7DL1G&pd_rd_w=VCYaK&content-id=amzn1.sym.386c274b-4bfe-4421-9052-a1a56db557ab&pf_rd_p=386c274b-4bfe-4421-9052-a1a56db557ab&pf_rd_r=5YEJEVSVW1W0YV3A4VG3&pd_rd_wg=KziOz&pd_rd_r=71b21ab1-6bd7-464b-b9c3-4b22882d2289&s=kitchen&sp_csd=d2lkZ2V0TmFtZT1zcF9kZXRhaWxfdGhlbWF0aWM&spLa=ZW5jcnlwdGVkUXVhbGImaWVyPUEyUThBT1dIWFQ5NVYyJmVuY3J5cHRIZEIkPUEwMzk1NDI2MUdQQIZFQzVCNFpGNCZIbmNyeXB0ZWRBZElkPUEwMzg0NzY4VVhDUDZVRVNSSzdOJndpZGdldE5hbWU9c3BfZGV0YWIsX3RoZW1hdGljJmFjdGlvbjGlja1JIZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1 (Year: 2023).
Patent History
Patent number: D1015790
Type: Grant
Filed: Nov 30, 2021
Date of Patent: Feb 27, 2024
Inventor: Dehua Liang (Zhongshan)
Primary Examiner: Mimosa De
Application Number: 29/817,207
Type: Grant
Filed: Nov 30, 2021
Date of Patent: Feb 27, 2024
Inventor: Dehua Liang (Zhongshan)
Primary Examiner: Mimosa De
Application Number: 29/817,207
Classifications
Current U.S. Class:
D6/716.4