Emergency signal balloon

I claim the ornamental design for an emergency signal balloon, as shown and described.

FIG. 1 is a front view of the emergency signal balloon.

FIG. 2 is a back view of the claimed design.

FIG. 3 is a side view of the claimed design.

FIG. 4 is a top view of the claimed design; and,

FIG. 5 is a bottom view of the claimed design.

Patent

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Title

Patent	Priority	Assignee	Title
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8534217,	Jan 26 2005		Location signaling device
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