US 12,064,900 B2
Stone slabs, systems, and methods
Jon Louis Grzeskowiak, II, Prior Lake, MN (US); and Martin E. Davis, Excelsior, MN (US)
Assigned to Cambria Company LLC, Eden Prairie, MN (US)
Filed by Cambria Company LLC, Eden Prairie, MN (US)
Filed on Oct. 31, 2022, as Appl. No. 17/977,634.
Application 17/977,634 is a division of application No. 17/132,445, filed on Dec. 23, 2020, granted, now 11,485,045.
Claims priority of provisional application 62/953,353, filed on Dec. 24, 2019.
Prior Publication US 2023/0047901 A1, Feb. 16, 2023
Int. Cl. B32B 9/00 (2006.01); B28B 1/00 (2006.01); B28B 11/00 (2006.01); B28B 11/10 (2006.01)
CPC B28B 1/008 (2013.01) [B28B 11/001 (2013.01); B28B 11/10 (2013.01); B32B 9/002 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/414 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A stone slab, comprising:
a first layer defined by a first particulate mineral mix;
a second layer defined by a pigmented material; and
a third layer defined by a second particulate mineral mix;
wherein the second layer is between the first layer and the third layer, and the third layer is translucent such that the second layer is visible through the third layer.