ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,294, issued on June 17, was assigned to Wonderland Switzerland AG (Steinhausen, Switzerland).
"Containing structure" was invented by Yanmin Chen (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides a containing structure including a main body with a containing chamber, and a door body is disposed on the main body and is openable to enter the containing chamber, a connecting assembly for opening and closing the door body on the main body is disposed between the door body and the main body; and a locking assembly for switching the connecting assembly between a locking state and an unlocking state is disposed on the c...