ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,474, issued on June 2, was assigned to Dell Products LP (Round Rock, Texas).

"File sharing using SMB" was invented by Helen Hailan Dong (Chengdu, China), Allen Chaojun Zhao (Chengdu, China), Yang Zhang (Chengdu, China) and Xuhui Yang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The subject technology relates to a Server Message Block (SMB). For instance, an example method includes determining a break rate of a file serving as an object of an SMB lease in the SMB lease process, and determining a turning point of the break rate, wherein the turning point indicates a critical point between enabling the SMB lease and disabling the SMB l...