ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,466, issued on July 1, was assigned to SOTKON SP SLU (Guipuscoa, Spain).

"Underground waste collection system" was invented by Fernando Manuel Castro Soares Junqueira (Oporto, Portugal).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to an underground waste collection system, which has a pedestrian platform that also functions as the lid (1) of a tank (3) into which a container (4) can be inserted and wherein the waste is deposited through a deposition top bin (2), which is external and attacked to the lid (1). The lid opens by means of gas cylinders (7) and, in order that the impact of the opening limit of the lid (1) is as smal...