Mattress depression test apparatus

The ornamental design for a mattress depression test apparatus, as shown and described.

FIG. 1 is a side elevation view of the invention positioned to measure mattress depression.

FIG. 2 is a top view of the invention in the position of FIG. 1; and,

FIG. 3 is a rear elevation view of the invention.

The second side view has not been shown because it is essentially a mirror image of the first side view.

The front view has not been shown as it would not reveal anything that the existing views have not already shown.

Patent	Priority	Assignee	Title
8677646,	Nov 22 2011		Mattress measurement device
9212982,	Oct 10 2012	COLGATE ATLANTA MATRESS CORPORATION	Mattress testing apparatus and method
9395288,	Oct 10 2012	Colgate Mattress Atlanta Corporation	Mattress testing apparatus and method

Patent	Priority	Assignee	Title
3195347,
3334517,
6786083,	Mar 05 1999		Apparatus and method for assessment of mattresses

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