Patent
   D668481
Priority
Jul 14 2011
Filed
Jul 14 2011
Issued
Oct 09 2012
Expiry
Oct 09 2026
Assg.orig
Entity
unknown
5
7
n/a
The ornamental design for a chair back frame, as shown and described.

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; and,

FIG. 8 is another perspective view of the design.

Hsuan-Chin, Tsai

Patent Priority Assignee Title
D696871, Mar 30 2012 INTERSTUHL BUEROMOEBEL GMBH & CO KG Chair
D706566, Oct 17 2012 Okamura Corporation Chair
D707460, Oct 17 2012 Okamura Corporation Chair
D723851, Jun 07 2013 MILLERKNOLL, INC Backrest support
D724881, Sep 29 2014 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
Patent Priority Assignee Title
D576416, Jan 02 2008 Chair
D580199, Jul 02 2008 Chair backrest
D585205, Mar 27 2008 Hurng Taih Plastic Master Batch Co., Ltd. Frame of the office chair
D596884, Dec 23 2008 Hurng Taih Plastic Master Batch Co., Ltd. Chair back frame
D645683, Jan 18 2011 Seatback frame
D648947, Jun 17 2010 MERRYFAIR CHAIR SYSTEM SDN BDN Chair
D648966, Jun 24 2010 MERRYFAIR CHAIR SYSTEM SDN BHD Back frame of chair
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 13 2011TSAI, HSUAN-CHINFUH SHYAN CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0265890075 pdf
Jul 13 2011TSAI, HSUAN-CHINCHUANG, MING-TANGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0265890075 pdf
Jul 14 2011FUH Shyan Co., Ltd.(assignment on the face of the patent)
Jul 14 2011Ming-Tang, Chuang(assignment on the face of the patent)
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