Skateboard with a rotatable upper platform

The ornamental design for a skateboard with a rotatable upper platform, as shown and described.

FIG. 1 is a perspective view of a skateboard with a rotatable upper platform showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side elevational view with the left side being a mirror image thereof;

FIG. 4 is a front elevational view with the rear elevational view being a mirror image thereof; and,

FIG. 5 is a bottom view thereof.

Patent	Priority	Assignee	Title
10744396,	Mar 22 2016	Ford Global Technologies, LLC	Configurable transportation structure
11833389,	Apr 02 2020	THE HOWLER PROJECT LLC	Athletic training device for stride training
6758483,	Sep 28 2001		Scooter device
6910698,	Feb 26 2002	Strategic Focus International, Inc.; STRATEGIC FOCUS INTERNATIONAL INC	Skateboards
7237784,	Dec 01 2004		Rotating skateboard
7438303,	Nov 02 2004		Braking and steering system for a truck, wheeled platform, skateboard or vehicle
7810825,	Nov 02 2004		Braking and steering system for a truck, wheeled platform, skateboard or vehicle
8016732,	Apr 04 2006		Exercise device
8256779,	Mar 20 2009	BOARDKINGZ, LLC	Apparatus for practicing balance needed to perform sporting-board tricks
D594076,	Jul 03 2008		Skateboard with a movable circular center

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SU1405865,

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