Patent ID: 8806831

Claim:
An interlocking floor tile comprising: a rectangular upper portion having a decorative wear-resistant upper traffic surface and straight sides dimensioned to fit closely against straight sides of adjacent tiles with minimal space therebetween; a rectangular lower portion affixed to the upper portion, the lower portion having straight sides; a plurality of spaced-apart tongues extending outwardly from a first two adjacent straight sides of the lower portion; a plurality of spaced-apart pockets extending inwardly from a second two adjacent straight sides of the lower portion opposite the first two adjacent straight sides of the lower portion; the tongues and pockets so constructed that the pockets fit onto the tongues of adjacent tiles, when the upper portion is positioned closely against adjacent tiles; and edges of the pocket and tongue that prevent movement of adjacent tiles away from each other being close fitting and other edges of the pocket and tongue being loose fitting to facilitate installation.