U.S. federal trademark · Serial No. 78485129 · Reg. No. 3313496
Artificial lightweight rock and masonry products, wherein said products are constructed to have a polymer or resin shell whose exterior generally denotes a hollow interior, which may be foam filled, the exterior of the shell being further shaped to represent building blocks, slabs, posts, wallboards, retaining walls made of non-metallic materials such as cement, concrete, stone, and the like
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.