Patent ID: 8460775

Claim:
A floor mat system comprising: a floor mat having a multitude of blades or rods extending from a bottom surface to a top surface, the blades or rods being sufficiently strong to at least partially support a user's weight, the blades or rods arranged in a predetermined pattern and having spacing sufficient to scrape particulate matter from the user's shoe and to allow particulate matter to fall to the bottom surface to be concealed by the blades or rods and further prevented from contaminating the air when exposed to an air flow, a heel pad; and a waterproof enclosure formed by a waterproof lining on an underside of the floor mat and a raised border around the perimeter of the floor mat or the waterproof enclosure being a separate waterproof tray with a raised border for placement of the floor mat, the waterproof enclosure configured to contain particulate matter and any water from the floor mat in an area of reduced exposure and further prevented from contaminating the air when exposed to an air flow.