
{"publication_number": "US-2005016097-A1", "abstract": "a thermally insulating tile floor covering system comprising a water resistant , inorganic , thermal air - gap plastic barrier tile layer which is provided with a network of integral spaced plastic studs , legs or wall sections on the underside thereof , to form an interconnected space network between the undersurface of the flat plastic tile and the surface of a concrete floor supporting the tile . the space network provides an insulating thermal air gap barrier space to receive and circulate any water vapor penetrating up through the concrete floor .", "application_number": "US-62429003-A", "description": "referring to fig1 , the underside 11 of a corner section of a solid water - resistant plastic floor tile 10 is illustrated , the tile 10 having groove or slot means 12 along two edges thereof and tongue means 13 along the other two edges , as shown in fig2 and 3 , for mating with corresponding complementary means on adjacent tiles to lock the tiles to each other and produce a substantially - continuous , smooth plastic floor surface which is water impervious . the plastic tile 10 of fig1 to 3 is molded to have integral spaced plastic support studs or legs or wall sections 15 projecting a maximum distance from the underside 11 thereof , and intermediate plastic network sections 16 of intermediate height . the legs or wall sections 15 project down a uniform distance to contact the concrete floor 11 , a distance of about { fraction ( 5 / 16 )