Key button for a handset

The ornamental design for a key button for a handset, as shown and described.

FIG. 1 is a front view of a key button for a handset showing our new design; and,

FIG. 2 is a perspective front view thereof.

The broken lines showing the remainder of the key button for a handset are for illustrative purposes only and form no portion of the claimed design.

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jun 20 2007		Nokia Corporation	(assignment on the face of the patent)
Apr 25 2014	Nokia Corporation	Microsoft Mobile Oy	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	034471	0075	pdf
Apr 25 2014	Nokia Corporation	Microsoft Mobile Oy	CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED ON REEL 034471 FRAME 0075 ASSIGNOR S HEREBY CONFIRMS THE CORRECT ADDRESS IS KEILALAHDENTIE 2-4	034718	0723	pdf
Nov 30 2016	Microsoft Mobile Oy	HMD Global Oy	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	041512	0156	pdf

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