Manhole safety cross

I claim the ornamental design for a manhole safety cross, as shown.

FIG. 1 is a side and top perspective view of a manhole safety cross showing my new design:

FIG. 2 is a bottom and side perspective view thereof:

FIG. 3 is a side view thereof:

FIG. 4 is a side view thereof:

FIG. 5 is a top view thereof:

FIG. 6 is a bottom view thereof:

FIG. 7 is a top and side perspective of a manhole safety cross; and,

FIG. 8 is a bottom and side perspective of a manhole safety cross.

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
May 12 2018		Steven, Collins	(assignment on the face of the patent)

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