Dumbbell

The ornamental design for a dumbbell, as shown and described.

FIG. 1 is a perspective view showing one embodiment of the new design for a dumbbell;

FIG. 2 is a front view according to one embodiment of the new design;

FIG. 3 is a rear view according to one embodiment of the new design;

FIG. 4 is a right side view according to one embodiment of the new design;

FIG. 5 is a left side view according to one embodiment of the new design;

FIG. 6 is a top view according to one embodiment of the new design; and,

FIG. 7 is a bottom view according to one embodiment of the new design.

Patent	Priority	Assignee	Title
10786700,	Feb 02 2018	JAXAMO UK LIMITED	Exercise devices, systems, and methods
D861085,	Jan 04 2018	Life Fitness, LLC	Dumbbell
D865880,	Aug 17 2017	JFXD TRX ACQ LLC	Exercise device
D866685,	Aug 17 2017	JFXD TRX ACQ LLC	Exercise device
D881295,	Jan 04 2018	Life Fitness, LLC	Dumbbell
D886921,	Oct 25 2019	WARRIOR FITNESS PRODUCTS LLC	Exercise device
D908820,	Dec 20 2017	BOMI, LLC	Grip
D909498,	Feb 19 2018	Gold-Game Import & Marketing Ltd.	Aquatic resistance training device
D910126,	May 29 2019		Body stretching bar
D913385,	Mar 21 2019	Trenkle & Trenkle GbR	Exercise parallette
D913386,	Aug 04 2017		Multi-purpose exercise device
D937946,	Jul 10 2019		Push-up bar
D964489,	Jan 16 2019		Exercise hand-grip
ER3120,
ER7,
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