ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,660, issued on Aug. 12, was assigned to Ruphavathy Vishal (India).
"Structure for constructing an elevator shaft" was invented by Ruphavathy Vishal (Chennai, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A structure 10 for constructing an elevator shaft is provided. The structure includes a first column 20 to withstand stress. The first column is constructed by coupling a first groove 30 to 'L' shaped sections 40. The 'L' shaped sections are interconnected by a semicircular section 50 forming at least one slot 60 at a junction of coupling between the 'L' shaped sections and the semi-circular section. The structure includes a second column 70 ...