Back support frame for chair
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Description
The broken lines shown in
Claims
The ornamental design for a “back support frame for chair,” as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D810487
Type: Grant
Filed: Feb 6, 2017
Date of Patent: Feb 20, 2018
Assignee: SIDIZ, INC. (Pyeongtaek-si, Gyeonggi-do)
Inventors: Jae Young Kim (Suwon-si), Joo Kyung Jung (Seoul)
Primary Examiner: Mimosa De
Application Number: 29/593,104
Type: Grant
Filed: Feb 6, 2017
Date of Patent: Feb 20, 2018
Assignee: SIDIZ, INC. (Pyeongtaek-si, Gyeonggi-do)
Inventors: Jae Young Kim (Suwon-si), Joo Kyung Jung (Seoul)
Primary Examiner: Mimosa De
Application Number: 29/593,104
Classifications
Current U.S. Class:
D6/716.4