US 12,173,514 B2
Ceramic tile
Bernard Thiers, Eine (BE); Christine Walmsley-Scott, Waldbredimus (LU); and Bart Van Der Stockt, Zwalm (BE)
Assigned to UNILIN, BV, Wielsbeke (BE)
Filed by FLOORING INDUSTRIES LIMITED, SARL, Bertrange (LU)
Filed on Sep. 20, 2023, as Appl. No. 18/470,642.
Application 18/470,642 is a continuation of application No. 17/960,467, filed on Oct. 5, 2022, granted, now 11,851,891.
Application 17/960,467 is a continuation of application No. 17/213,348, filed on Mar. 26, 2021, granted, now 11,492,811, issued on Nov. 8, 2022.
Application 17/213,348 is a continuation of application No. 16/596,815, filed on Oct. 9, 2019, granted, now 10,988,942, issued on Apr. 27, 2021.
Application 16/596,815 is a continuation of application No. 15/842,144, filed on Dec. 14, 2017, granted, now 10,450,761, issued on Oct. 22, 2019.
Application 15/842,144 is a continuation of application No. 15/102,447, granted, now 9,874,030, issued on Jan. 23, 2018, previously published as PCT/IB2014/067092, filed on Dec. 18, 2014.
Claims priority of provisional application 61/919,196, filed on Dec. 20, 2013.
Prior Publication US 2024/0011305 A1, Jan. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 3/00 (2006.01); B44C 1/24 (2006.01); B44C 5/04 (2006.01); B44C 5/06 (2006.01); B44F 9/02 (2006.01); C04B 33/34 (2006.01); C04B 41/00 (2006.01); C04B 41/45 (2006.01); C04B 41/52 (2006.01); C04B 41/89 (2006.01); E04F 15/02 (2006.01); E04F 15/08 (2006.01)
CPC E04F 15/08 (2013.01) [B44C 1/24 (2013.01); B44C 5/04 (2013.01); B44C 5/06 (2013.01); B44F 9/02 (2013.01); C04B 33/34 (2013.01); C04B 41/009 (2013.01); C04B 41/4578 (2013.01); C04B 41/52 (2013.01); C04B 41/89 (2013.01); E04F 15/0215 (2013.01); E04F 15/02161 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A ceramic tile having a ceramic base layer and a cover glaze layer comprising a printed pattern, wherein the tile is rectangular and oblong, wherein the surface of the ceramic tile comprises a relief having structural features corresponding to said printed pattern, wherein said relief is formed by a plurality of excavations in the surface of the ceramic base layer, and wherein said relief comprises irregular or random relief features, distributed essentially over the entirety of the surface of the ceramic tile, that are combined with the structural features that correspond to the printed pattern.