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
D536557 February 13, 2007 Lee
D548992 August 21, 2007 Koepke et al.
D552857 October 16, 2007 Wang
D553378 October 23, 2007 Wang
D558994 January 8, 2008 Machael et al.
D669286 October 23, 2012 Pan
D706068 June 3, 2014 Tsai
D718066 November 25, 2014 Baxter et al.
Patent History
Patent number: D724880
Type: Grant
Filed: Sep 29, 2014
Date of Patent: Mar 24, 2015
Assignee: Zhongshan Shi Songlin Furniture Co., Ltd. (Zhongshan)
Inventor: Hsuan-Chin Tsai (Chai-Yi Hsien)
Primary Examiner: Mimosa De
Application Number: 29/503,611
Classifications
Current U.S. Class: D6/716.4