US Patent Issued to PELTOMAEN RAKENNUS on April 21 for "Underground room arrangement" (Finnish Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,004, issued on April 21, was assigned to PELTOMAEN RAKENNUS OY (Vaskivesi, Finland).

"Underground room arrangement" was invented by Aki Peltomaki (Vaskivesi, Finland) and Aku Peltomaki (Vaskivesi, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An underground room arrangement, comprising a structure surrounding a room, the structure comprising a plastic tube and plastic end walls, wherein the plastic end walls are arranged to close the plastic tube so that inner surfaces of the plastic tube and the plastic end walls are towards the room."

The patent was filed on Feb. 2, 2022, under Application No. 18/262,352.

*For further information, incl...