ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,389,998, issued on Aug. 19.
"Cosmetic container and method for using the same" was invented by Ta-peng Chang (New Taipei, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cosmetic container and a method for using the same. The cosmetic container includes: a threaded sleeve with an inner wall having a first guide groove and a second guide groove; a rotating member rotatably sleeved in the threaded sleeve, with a side wall having a slideway pattern; a material cup slidably sleeved in the rotating member, with a side wall having a third slideway and at least one first lug passing through the slideway pattern and limited in the first guide groove; and...