US Patent Issued on July 7 for "Trapdoor-insert assembly comprising an insert hooked to the trapdoor" (Italian Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,332, issued on July 7.

"Trapdoor-insert assembly comprising an insert hooked to the trapdoor" was invented by Andrea Marinelli (Bolzano, Italy), Danilo Cascia (Maiolati Spontini, Italy) and Tommaso Raggetti (Ancona, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trapdoor-insert assembly having a trapdoor with a fixed frame, a movable frame disposed in the fixed frame and a panel mounted on the movable frame. At least one of the frames including at least one section having a longitudinal seat defined by a bottom wall and by two sidewalls. The two sidewalls include two projecting wings in opposite parallel positions that extend for the entire l...