ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,251, issued on March 3, was assigned to Shenzhen Caiye Technology Co. Ltd. (Shenzhen City, China).
"One-piece structure of shell and film" was invented by Xudong Cai (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure proposes a one-piece structure of a shell and a film, including: a protective cover and a bottom shell; wherein the protective cover includes a front frame and a protective film, the front frame being arranged on an outer edge of the protective film; the bottom shell includes a rear frame and a bottom plate arranged on the rear frame; the bottom plate is arranged opposite to the protective film, and t...