US Patent Issued to Rife Plus (Shanghai) on June 3 for "100% recyclable and replaceable eco-friendly pet lipstick mechanism" (Chinese Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,317,986, issued on June 3, was assigned to Rife Plus (Shanghai) Co. Ltd (Shanghai).

"100% recyclable and replaceable eco-friendly pet lipstick mechanism" was invented by Chia-Hung Chien (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A 100% recyclable and replaceable eco-friendly PET lipstick mechanism includes a cartridge core and a housing rotatably matching the cartridge core, where an axially slidable lipstick cylinder matches inside of the cartridge core, an inner wall surface of the housing is provided with a spiral groove, the cartridge core is provided with a guide groove axially, and an outer surface of the lipstick cylinder is provided...