ALEXANDRIA, Va., March 17 -- United States Patent no. 12,579,212, issued on March 17, was assigned to Amazon Technologies Inc. (Seattle).

"Dynamic caching strategy for user interface objects" was invented by Vikas Chandramouli Nandihalli (Newark, Calif.), Chirag Jain (San Jose, Calif.) and Sai Kishore Pyapalli (Ashburn, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for caching data objects are described. An expiry policy and a reference for one or more user interface (UI) objects is maintained. A user interface (UI) comprising the one or more UI objects is presented. A determination that a trigger of the expiry policy for a first UI object has been triggered is made based on first data from t...