Back for a chair

The ornamental design for a back for a chair, as shown and described.

FIG. 1 is a side perspective of a back for a chair showing my new design.

FIG. 2 is a rear elevational view of FIG. 1.

FIG. 3 is a side elevational view of FIG. 1; and,

FIG. 4 is a side elevational view of the other side to that shown in FIG. 3.

The portion of the chair shown in dotted outline in the drawings does not form part of the claimed design.

Patent	Priority	Assignee	Title
7416251,	Jun 10 2005	Global Total Office	Chair
D534748,	Jun 10 2005	Global Total Office	Chair
D978592,	Jan 15 2020	Merits Health Products Co., Ltd.	Back element of a chairback

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Apr 29 1998	CHU, ZOOEY	TEKNION FURNITURE SYSTEMS INC , AN ONTARIO GENERAL PARTNERSHIP COMPOSED OF BIRCHGROVE INVESTMENTS INC AND TEKNION HOLDINGS INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	009167	0529	pdf
May 11 1998		Teknion Furniture Systems Inc.	(assignment on the face of the patent)

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