Patent
   D577231
Priority
Apr 11 2007
Filed
Mar 28 2008
Issued
Sep 23 2008
Expiry
Sep 23 2022
Assg.orig
Entity
unknown
5
5
n/a
The ornamental design for a chair back, as shown and described.

FIG. 1 is a front perspective view of a chair back;

FIG. 2 is a rear perspective view of a chair back;

FIG. 3 is a right side elevation view of a chair back;

FIG. 4 is a front elevation view of a chair back;

FIG. 5 is a left side elevation view of a chair back;

FIG. 6 is a rear elevation view of a chair back;

FIG. 7 is a top plan view of a chair back;

FIG. 8 is a bottom plan view of a chair back;

FIG. 9 is a front perspective view of a second embodiment of a chair back;

FIG. 10 is a rear perspective view of a second embodiment of a chair back;

FIG. 11 is a right side elevation view of a second embodiment of a chair back;

FIG. 12 is a front elevation view of a second embodiment of a chair back;

FIG. 13 is a left side elevation view of a second embodiment of a chair back;

FIG. 14 is a rear elevation view of a second embodiment of a chair back;

FIG. 15 is a top plan view of a second embodiment of a chair back; and,

FIG. 16 is a bottom plan view of a second embodiment of a chair back.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design.

Kaczmarek, Piotr

Patent Priority Assignee Title
D593345, Jun 05 2008 Kimball International, Inc Task chair backrest and armrest assembly
D647337, Apr 29 2010 Gasser Chair Company, Inc. Chair back
D647739, Apr 29 2010 Gasser Chair Company, Inc.; GASSER CHAIR COMPANY, INC Chair back
D661141, Jan 13 2009 JIANGSU JIEJIE TOOLS CO , LTD Bodywork of a roller cabinet
D676690, May 14 2009 KOHLER INTERIORS FURNITURE COMPANY Chair back
Patent Priority Assignee Title
6843530, Dec 23 2003 Multi-stage backrest assembly
D452396, Nov 22 2000 KLASSE PTY LTD Seat back backcover
D506893, Apr 28 2004 Chair back
D556254, Dec 13 2005 Brother Industries, Ltd. Printer
D556481, May 09 2007 Allseating Corporation Chair back
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Apr 03 2007KACZMAREK, PIOTRGlobal Total OfficeASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0207280516 pdf
Mar 28 2008Global Total Office(assignment on the face of the patent)
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