ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,647, issued on March 31.
"Removable magnetic filter device for smart cat litter box" was invented by Huanhuan Shi (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A removable magnetic filter device for a smart cat litter box, comprising: a housing; a chamber body arranged inside the housing and rotatably mounted on the housing; a baffle arranged within the chamber body, forming an accommodation cavity between the baffle and the inner wall of the chamber body; a filter screen rotatably mounted on the baffle; a first magnetic attachment component mounted on the baffle; and a second magnetic attachment component mounted on the filter s...