ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,638, issued on Oct. 6, was assigned to WENZHOU JINFU LOCKS Co. LTD (Wenzhou, China).
"Lock apparatus" was invented by Juxiang Xu (Wenzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a lock apparatus, relating to the field of home appliances and overcomes the drawback of insufficient anti-cutting strength of conventional shackles. The disclosed shackle includes a primary structure, the primary structure including two engaging heads inserted into the lock body for being engagingly locked and a link segment which is located between the two engaging heads and exposed out of the lock body, the link segment having at least one arcuat...