Chair back frame

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Description

FIG. 1 is a perspective view of a chair back frame, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a chair back frame, as shown and described.

Referenced Cited
U.S. Patent Documents
D582707 December 16, 2008 Solomon
D641572 July 19, 2011 Tsai
D641575 July 19, 2011 Hsuan-Chin
D645684 September 27, 2011 Chen
D673399 January 1, 2013 Gu
D708883 July 15, 2014 Tsai
D708884 July 15, 2014 Hsuan-Chin
D708885 July 15, 2014 Tsai
20120133186 May 31, 2012 Chen
Patent History
Patent number: D777497
Type: Grant
Filed: Sep 4, 2015
Date of Patent: Jan 31, 2017
Assignee: Zhongshan Shi Songlin Furniture Co., Ltd (Zhongshan, Guangdong Prov.)
Inventor: Hsuan-Chin Tsai (Chai-Yi)
Primary Examiner: Manpreet Matharu
Assistant Examiner: Keith Wilson
Application Number: 29/538,628
Classifications
Current U.S. Class: D6/716.4