Patent ID: 7601413

Claim:
Carpet tiles comprising tile edges and textile faces, each face having a pattern comprising a plurality of shapes having shape edges, wherein the pattern on each tile face comprises: a. a plurality of shapes, at least two of which are adjacent to each other and comprise at least one common color; b. a first yarn having at least one color and a second yarn having at least one color different from the at least one color of the first yarn; c. a shape comprising at least one shape edge parallel to a first pair of opposed edges of the tile on which the shape appears and at least one shape edge parallel to a second pair of opposed edges of the tile on which the shape appears; wherein: d. the tiles all comprise the at least one color of the first yarn; e. at least some of the tiles comprise at least one color in common in addition to the at least one color of the first yarn; f. each tile comprises a color of intensity similar to the intensity of a color on another tile; and g. when the tiles are assembled on a flooring surface so that each tile is adjacent to and abuts at least one other tile, the tiles exhibit orthogonal ambiguity without pattern alignment between adjacent tiles.