ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,556, issued on Oct. 21, was assigned to Maplebear Inc. (San Francisco).

"Delivery time estimation using an attribute-based prediction of a difference between an arrival time and a delivery time for a delivery location" was invented by Sharath Rao Karikurve (Berkeley, Calif.), Ramasubramanian Balasubramanian (Jersey City, N.J.) and Ashish Sinha (Jersey City, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An online concierge system receives, from a client device associated with a user of the online concierge system, order data associated with an order placed with the online concierge system, in which the order data describes a delivery location f...