Construction block

The ornamental design for a construction block, as shown and described.

FIG. 1 is a plan view of a first construction block (same from below).

FIG. 2 is a perspective view of the first construction block.

FIG. 3 is a front elevation of the first construction block.

FIG. 4 is a rear elevation of the first construction block.

FIG. 5 is an end elevation of the first construction block; and,

FIG. 6 is an end elevation (other end) of the first construction block.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design.

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Feb 01 2006		Glenfield	(assignment on the face of the patent)

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