Patent
   D777497
Priority
Sep 04 2015
Filed
Sep 04 2015
Issued
Jan 31 2017
Expiry
Jan 31 2032
Assg.orig
Entity
unknown
3
9
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
D947574, Aug 20 2018 COOLSIDE LIMITED Internal assembly for travel accessory
D957846, Aug 20 2018 COOLSIDE LIMITED Travel accessory
ER1693,
Patent Priority Assignee Title
20120133186,
D582707, Mar 17 2008 RGP Dental, Inc. Seat back
D641572, Feb 01 2010 FUH Shyan Co., Ltd. Chair back frame
D641575, Sep 03 2010 FUH Shyan Co., Ltd.; Chueng Shine Co., Ltd. Three-piece chair backrest frame
D645684, Jan 18 2011 Combined seatback frame
D673399, Aug 26 2011 Seatback frame
D708883, Jan 10 2014 Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D708884, Jan 10 2014 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D708885, Jan 22 2014 Zhongśhan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 04 2015Zhongshan Shi Songlin Furniture Co., Ltd(assignment on the face of the patent)
Sep 04 2015TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO, LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0364980559 pdf
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