Patent
   D724880
Priority
Sep 29 2014
Filed
Sep 29 2014
Issued
Mar 24 2015
Expiry
Mar 24 2029
Assg.orig
Entity
unknown
4
8
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.

Tsai, Hsuan-Chin

Patent Priority Assignee Title
D734971, Sep 26 2013 Okamura Corporation Chair
D767320, Jul 17 2015 Chair back
D770212, Jan 13 2015 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D778660, Feb 01 2016 CHUENG SHINE CO , LTD Chair back frame
Patent Priority Assignee Title
D536557, May 24 2005 Mesh chair back
D548992, Mar 24 2006 HNI Corporation Chair
D552857, Mar 08 2007 Chair
D553378, Mar 08 2007 Chair
D558994, Mar 24 2006 HNI Corporation Chair
D669286, Feb 01 2012 Oasyschair Co., Ltd. Backrest holder for a chair
D706068, Sep 26 2013 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D718066, Aug 01 2013 Manufacturas Munoz S.A.S.—MUMA S.A.S. Ergonomic chair
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 29 2014Zhongshan Shi Songlin Furniture Co., Ltd.(assignment on the face of the patent)
Sep 29 2014TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0338360118 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule