ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,255, issued on March 3, was assigned to SUNNYLOVE BABY PRODUCTS ZHUHAI Co. LTD. (Zhuhai City, China).
"Stroller frame having a push-pull function" was invented by Xiu Ping Liu (Zhuhai City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stroller frame has a push-pull function consisting of a lower supporting frame and an upper frame connected through a frame joint. The lower supporting frame comprises a front leg connected to a front wheel set and a rear leg connected to a rear wheel set. The lower portion of the front leg is pivotally attached to a pull rod assembly located at the front of the stroller frame. In addition, a push rod assembl...