ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,544, issued on March 17, was assigned to Shenzhen Libro Technology Co. Ltd. (Shenzhen, China).

"Quick detachable and installable cat tree floor plate structure and cat tree" was invented by Zhixiong Liang (Shenzhen, China), Chao Yan (Shenzhen, China) and Kangjun Huang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A quick detachable and installable cat tree floor plate structure which includes amounting post, a floor plate body and a locking part for quick detachment. The mounting post is provided with a mounting boss. The locking part has a locking position and a detachable position and is in sliding fit with the floor plate body ...