Set of key buttons for a handset

FIG. 1 is a front view of a set of key buttons for a handset showing our new design in the broken line environment of a handset; and,

FIG. 2 is a perspective front view thereof.

The broken line showing of the remainder of the handset is for illustrative purposes only and forms no portion of the claimed design.

The ornamental design for a set of key buttons for a handset, as shown and described.

Number	Date	Country	Kind
M20070023	Jan 2007	FI	national

Number	Name	Date	Kind
6438229	Overy et al.	Aug 2002	B1
D507562	Kim	Jul 2005	S
D525229	Friesen et al.	Jul 2006	S
D536681	Surtouc	Feb 2007	S
D538252	Joung	Mar 2007	S
D539257	Obata et al.	Mar 2007	S
D539791	Sheu	Apr 2007	S
D540773	Meng et al.	Apr 2007	S
D544474	Kim et al.	Jun 2007	S
D545800	Ou et al.	Jul 2007	S
D546314	Im	Jul 2007	S
D549208	Huang et al.	Aug 2007	S
D549699	Bower	Aug 2007	S
D550220	Lyles	Sep 2007	S
D558179	Hansen	Dec 2007	S
D558707	Travis et al.	Jan 2008	S
D560215	Di et al.	Jan 2008	S
D563379	Mai et al.	Mar 2008	S
D566699	Mitchell et al.	Apr 2008	S
D570340	Sheu et al.	Jun 2008	S
D570341	Cobb et al.	Jun 2008	S
D571363	Hering et al.	Jun 2008	S
D577011	Huang et al.	Sep 2008	S
D584298	Eguchi	Jan 2009	S
20050140778	Kim et al.	Jun 2005	A1
20070294633	Aarras et al.	Dec 2007	A1

Number	Date	Country
DM067919	May 2006	WO
DM067167	Jul 2007	WO

	Number	Date	Country
Parent	29282672	Jul 2007	US
Child	29328006		US