ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,609, issued on June 24, was assigned to KARSUN ENTERPRISES INC. (New York).

"Structured bag with structured closure" was invented by Annie Kar-Wai Fan (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bag including a flexible bag body and having a structured closure including rigid ribs. The ribs are arranged in a spatial relationship to selectively stiffen and support the bag body in selected areas to define an overall shape of the bag, and to define at least one unsupported operative region of the flexible material that will be highly flexible due to the lack of overlying strengthening ribs, and act as the structured closure. The ribs may...