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United States Patent D708,884
Hsuan-Chin July 15, 2014

Chair back frame


CLAIM The ornamental design for a chair back frame, as shown and described.
Inventors: Hsuan-Chin; Tsai (Chai-Yi Hsien, TW)
Name City State Country Type

Hsuan-Chin; Tsai

Chai-Yi Hsien


Assignee: Zhongshan Shi Songlin Furniture Co., Ltd. (Zhongshan, CN)
Appl. No.: D/478,981
Filed: January 10, 2014

Current U.S. Class: D6/716.4
Current International Class: 0601
Field of Search: ;D6/334-336,364,365,366,369,374,376,379,380,716,716.1,716.2,716.3,716.4 ;297/284.4,284.7,353,452.29,452.3,452.56,452.64

References Cited

U.S. Patent Documents
6843530 January 2005 Wu
D509975 September 2005 Pan
6938956 September 2005 Piretti
6945601 September 2005 Wu
D641572 July 2011 Tsai
D644466 September 2011 Wu
D661916 June 2012 Chen
8251448 August 2012 Machael et al.
D673399 January 2013 Gu
8579376 November 2013 Chen
D698167 January 2014 Wan et al.
2005/0189810 September 2005 Wu
2009/0302663 December 2009 Allison et al.
2012/0139321 June 2012 Wu
Foreign Patent Documents
2437074 Mar 2004 CA
Primary Examiner: De; Mimosa
Attorney, Agent or Firm: Kamrath; Alan Kamrath IP Lawfirm, P.A.


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.

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