Chair back
Latest DONGGUAN KENTEC OFFICE SEATING CO., LTD. Patents:
Description
Claims
The ornamental design for a chair back, as shown.
Referenced Cited
U.S. Patent Documents
D540578 | April 17, 2007 | Chen |
D558994 | January 8, 2008 | Machael |
D641573 | July 19, 2011 | Tsai |
D708882 | July 15, 2014 | Hsuan-Chin |
D767320 | September 27, 2016 | Xingchang |
D774346 | December 20, 2016 | Tsai |
D774814 | December 27, 2016 | Powell |
D793143 | August 1, 2017 | Tsai |
D798092 | September 26, 2017 | Pan |
D810487 | February 20, 2018 | Kim |
D823626 | July 24, 2018 | Chen |
Patent History
Patent number: D859047
Type: Grant
Filed: Jan 5, 2018
Date of Patent: Sep 10, 2019
Assignee: DONGGUAN KENTEC OFFICE SEATING CO., LTD. (Dongguan)
Inventor: Chih-Cheng Su (Dongguan)
Primary Examiner: Mimosa De
Application Number: 29/632,095
Type: Grant
Filed: Jan 5, 2018
Date of Patent: Sep 10, 2019
Assignee: DONGGUAN KENTEC OFFICE SEATING CO., LTD. (Dongguan)
Inventor: Chih-Cheng Su (Dongguan)
Primary Examiner: Mimosa De
Application Number: 29/632,095
Classifications
Current U.S. Class:
D6/716.4