ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,044, issued on Aug. 5, was assigned to Zhejiang Coolests Technology Co. Ltd. (Jinhua, China).
"Press-type cup lid" was invented by Weizhen Hu (Jinhua, China) and Changgen Ying (Jinhua, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A press-type cup lid comprises an upper lid, an inner lid, and a hollow outer lid. The inner lid is fixedly connected to the outer lid, and upper lid is slidably connected to outer lid; at least two first through holes are uniformly arranged on a wall of the inner lid, the upper lid is provided with push-press portion, and receiving space for receiving the push-press portion is formed between wall of inner lid and wa...