Patent ID: 6526705
Filing Date: 2003-03-04
Classification: E04F,Y10T

Abstract:
An interlocking, generally planar tile, having a four-sided, square, shape with an upper surface, a lower surface, a first side, a second side, a third side, and a fourth side, wherein each of said sides has a plurality of engagement elements interlockingly engageable with corresponding engagement elements on an adjacent tile, an adjacent first two of said sides having said upper surface extending over said engagement elements, an edge rib extending along the length of said adjacent first two of said sides and extending downwardly away from said upper surface, an adjacent second two of said sides having said engagement elements extending outwardly beyond said upper surface and having a recess extending along the length of said adjacent second two of said sides, which recess is adapted to receive a rib on a first side on an adjacent tile, the engagement of said rib in said recess forming a substantially fluid tight joint between the two tiles.