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Patent
D793140
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Priority
Dec 02 2015
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Filed
Dec 02 2015
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Issued
Aug 01 2017
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Expiry
Aug 01 2032
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Assg.orig
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Entity
unknown
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5
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7
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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 |
7604299, |
Dec 08 2007 |
|
Backrest assembly |
D557028, |
Jun 16 2007 |
|
Chair |
D596884, |
Dec 23 2008 |
Hurng Taih Plastic Master Batch Co., Ltd. |
Chair back frame |
D687660, |
Jun 05 2012 |
Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D708882, |
Aug 07 2013 |
Zhongshan Shi Songlin Furniture Co., Ltd |
Chair back frame |
D770212, |
Jan 13 2015 |
Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD |
Chair back frame |
D774346, |
Mar 20 2015 |
Zhongshan 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