ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,249, issued on Nov. 3.

"Telescopic suitcase, and novel pull rod and suitcase body thereof" was invented by Xiaoyi Zhang (Xiamen, China), Xingpan Jin (Xiamen, China) and Yifan Ding (Xiamen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A telescopic suitcase and a novel pull rod and suitcase body thereof are provided. The telescopic suitcase includes a novel pull rod and a suitcase body, where the novel pull rod includes suitcase body fixing tubes, suitcase body moving tubes, and telescopic rods; the suitcase body includes an upper suitcase body and a lower suitcase body; a lower end of the upper suitcase body is sleeved outside the lower suitca...