Carton blank

The ornamental design for a carton blank, as shown and described.

FIG. 1 is a plan view of a carton blank embodying my new design, the opposite side being a mirror image of the side shown, and

FIG. 2 is a left edge view thereof.

Patent	Priority	Assignee	Title
D535892,	Feb 24 2004	VALENTINO S P A	Surface ornamentation for containers
D829095,	Mar 21 2017	Diamond Assets, LLC	Shipping box
D840219,	Mar 21 2017	Diamond Assets, LLC	Shipping box

Patent	Priority	Assignee	Title
2962203,
3079040,
D253520,	May 18 1977	STONE BROWN PAPER, INC , A CORP OF	Carton blank
35511,

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