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Patent
D784748
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Priority
Oct 02 2015
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Filed
Oct 02 2015
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Issued
Apr 25 2017
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Expiry
Apr 25 2032
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Assg.orig
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Entity
unknown
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8
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9
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n/a
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The ornamental design for a chair back, 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 |
8528980, |
Jun 26 2012 |
|
Seat back unit |
D467444, |
Oct 31 2001 |
CFI Manufacturing, Inc. |
Slat back chair |
D501333, |
Apr 14 2003 |
PRO-CORD S P A |
Chair |
D509975, |
Dec 29 2004 |
Oasyschair Co., Ltd. |
Chair back |
D510671, |
Nov 25 2003 |
|
Backrest frame of a chair |
D510826, |
Dec 29 2004 |
Oasyschair Co., Ltd. |
Chair back |
D543717, |
Dec 01 2006 |
|
Office chair |
D661916, |
Jan 18 2011 |
|
Office chair |
D684783, |
Apr 20 2012 |
|
Chair |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a