ALEXANDRIA, Va., May 26 -- United States Patent no. 12,635,823, issued on May 26, was assigned to Shenzhen Maining Innovation Technology Co. Ltd. (Shenzhen, China).
"Clamping base and christmas tree" was invented by Huifeng Huang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A clamping base includes a housing, a supporting body disposed in the housing, and clamping members and a locking member that are mounted on the supporting body. A placement groove configured to accommodate a placed object is provided in the supporting body, a plurality of sliding grooves are obliquely provided on an inner wall of the placement groove, the sliding grooves extend toward a center of the placement groove f...