ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,213, issued on April 14, was assigned to FUJIAN FUYAO AUTOMOTIVE TRIM SYSTEM Co. LTD. (Fujian, China).

"Quickly assembled and disassembled window frame structure" was invented by Yan Lin (Fuqing, China), Shaoyi Qiu (Fuqing, China), Fangmin Yu (Fuqing, China) and Deen Lian (Fuqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An assembled and disassembled window frame structure includes a sliding window frame, within which two pieces of movable glass are mounted. The sliding window frame is provided with a rail. The rail at an upper side of a movable glass defines a section of notch, through which the moveable glasses can be removed upwards....