ALEXANDRIA, Va., June 16 -- United States Patent no. 12,302,856, issued on May 20.
"Cat litter box convenient for taking out and locking cat litter bin" was invented by Changxiang Chen (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a cat litter box, wherein a bin is in a top opening of a casing, the first rotating shaft is in the side wall of the casing corresponding to the first end of the bin, the first rotating shaft is provided with the first clamping part towards the first end of the bin, and the inner edge of the top opening of the casing is provided with the first opening corresponding to the first clamping part, and the first end of the bin is clamped at the ...