ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,794, issued on March 17, was assigned to ALP Supply Inc. (Fairless Hills, Pa.).
"Fire-resistant cover for corbel system" was invented by David S. Jablonsky (Washington Crossing, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cover for a corbel that may be incorporated into a precast concrete structure is provided having a shell with an interior and an exterior, triangular sides and a bottom extending between the two sides. The opening in the cover is defined by a perimeter, with a first section of the perimeter lying in a first plane and a second section of the perimeter lying in a second plane. The intersection of the first plane and the sec...