ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,476, issued on April 21, was assigned to Ningbo Goneo Electric Appliance Co. Ltd. (Cixi Ningbo, China).

"Socket protection door structure and socket" was invented by Meinan Peng (Ningbo, China), Xianjie Tang (Ningbo, China), Qiurong Wu (Ningbo, China) and Guanghui Gong (Ningbo, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present disclosure are a socket protection door structure, including a support seat, a protection door and an elastic reset member, wherein the support seat is provided with two sets of first via holes which correspond to an N-pole plug bush and an L-pole plug bush of the socket, respectively; the protecti...