ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,071, issued on Aug. 19, was assigned to NOKIAN RENKAAT OYJ (Nokia, Finland).
"Tread block arrangement having a sipe" was invented by Mikko Jokinen (Tampere, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tread block arrangement is suitable for a tire or for a tread band for a tire. The tread block arrangement includes a tread block having a first sipe delimited by a first sipe wall, a second sipe wall and a bottom of the sipe. The first sipe wall and the second sipe wall are arranged parallel to each other and define a width of the sipe. At least the first sipe wall has an indentation to increase an empty volume of the sipe at the location...