ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,921, issued on Sept. 2, was assigned to ADP Inc. (Roseland, N.J.).

"File decay property" was invented by Donald Holton (Atlanta).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method, computer system, and computer program product for deleting a file from a storage medium. A file that is marked for automatic deletion is identified. A deletion time at which the file is to be deleted from the storage medium is identified. A visual indicator associated with the file is displayed. The visual indicator changes over time to provide an indication as to a nearness of the deletion time."

The patent was filed on June 5, 2023, under Appli...