ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,843, issued on June 23.
"Collapsible structure for shelter" was invented by Guoxiang Wu (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a collapsible structure having at least two standing frames connected by an extendable linkage. Each standing frame comprises at least two standing poles. Two standing poles are pivotally connected to each other by a pivot point. The standing frame also includes a linking device that enables two standing poles to be folded or unfolded. The extendable linkage connected to two adjacent standing frames comprises at least one extendable link assembly capable of adjusting t...