US 11,891,814 B2
Prefabricated wall panel with tongue and groove construction
David H. Wolf, Newark, OH (US); James S. Belt, Utica, OH (US); William Smith, Pataskala, OH (US); Donn R. Vermilion, Newark, OH (US); Wayne J. Buoni, New Albany, OH (US); and Joy Stickel, Columbus, OH (US)
Assigned to Westlake Royal Stone LLC, Houston, TX (US)
Filed by Westlake Royal Stone LLC, Houston, TX (US)
Filed on Dec. 19, 2019, as Appl. No. 16/720,842.
Application 14/299,250 is a division of application No. 12/026,876, filed on Feb. 6, 2008, granted, now 8,782,988, issued on Jul. 22, 2014.
Application 16/720,842 is a continuation of application No. 16/447,624, filed on Jun. 20, 2019, granted, now 10,557,273.
Application 16/447,624 is a continuation of application No. 15/870,059, filed on Jan. 12, 2018, granted, now 10,378,216, issued on Aug. 13, 2019.
Application 15/870,059 is a continuation of application No. 14/879,827, filed on Oct. 9, 2015, granted, now 9,903,124, issued on Feb. 27, 2018.
Application 14/879,827 is a continuation of application No. 14/299,250, filed on Jun. 9, 2014, granted, now 10,329,775, issued on Jun. 25, 2019.
Prior Publication US 2020/0123785 A1, Apr. 23, 2020
Int. Cl. E04F 13/08 (2006.01); E04F 13/14 (2006.01); B29C 39/18 (2006.01); B29C 39/36 (2006.01); B29D 99/00 (2010.01); E04F 15/02 (2006.01); B29L 31/10 (2006.01)
CPC E04F 13/0894 (2013.01) [B29C 39/18 (2013.01); B29C 39/36 (2013.01); B29D 99/001 (2013.01); E04F 13/0873 (2013.01); E04F 13/147 (2013.01); E04F 15/02038 (2013.01); B29L 2031/10 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A wall panel comprising:
a concrete body comprising a design element and a rear surface; and
a mounting element projecting from the body, the mounting element comprising a first segment embedded in the body and extending in a first plane, a second segment projecting from the body and extending in a second plane different from, and parallel to, the first plane, and a transition section extending onto an upper surface of the body transverse the first plane and the second plane;
wherein the first segment of the mounting element and the transition section form an angle;
wherein the mounting element includes both a slot and a hole each proximate the second segment, wherein the slot is adjacent the rear surface in the transition section, the transition section being configured to receive a tab of an adjacent wall panel; and
wherein the mounting element further comprises a tab that projects from the body in a direction opposite the second segment, the tab being configured for alignment with a slot of an adjacent wall panel.