ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,488, issued on April 21.
"Plug hashing prong with locking means" was invented by Likui Tang (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a universal electrical plug, including a shell, a pin, and an actuating component. The pin is configured to be plugged into an adaptive jack of a socket to achieve electrical connection. The pin is fixed to the shell; and one side surface of the pin forms an open surface of the receiving slot. The locking bar can be driven by the actuating component and is guided by a guide portion to move from a locked position to a loose position. When the locking bar is in the ...