ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,772, issued on Dec. 30.
"Umbrella assembly with gas spring" was invented by Zhun-An Ma (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An umbrella is provided that includes a hollow pole, a shade assembly, and a lift assembly. The shade assembly is coupled with an upper portion of the hollow pole. The shade assembly includes an upper hub, a lower hub, and a shade structure coupling the upper hub to the lower hub. The shade structure supports a shade member and the lower hub is moveable along the hollow pole. The lift assembly is disposed within the hollow pole. The lift assembly includes a gas spring and a cord. The cord has a first en...