ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,655, issued on March 31.
"Interlocking sectional tubing" was invented by Michael Edward Figaro (Golden, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tube arrangement as described herein can include a first and a second wedge shaped circular tube, or pie cut, that are each defined by a front face and a back face, a minimum face-to-face distance between the front face and the back face that is smaller than a maximum face-to-face distance between the front face and the back face. A plurality of evenly spaced keys is dispersed along the front face of the first pie cut. The keys are engaged with a plurality of evenly spaced facets dispersed al...