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Patent
D777497
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Priority
Sep 04 2015
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Filed
Sep 04 2015
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Issued
Jan 31 2017
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Expiry
Jan 31 2032
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Assg.orig
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Entity
unknown
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3
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9
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n/a
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The ornamental design for a chair back frame, as shown and described.
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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 |
20120133186, |
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|
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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 |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a