Patent ID: 7143799

Claim:
A tire tread, the tread having a plurality of ground engaging elastomeric elements, whereby at least one of the elements has a sipe, the sipe having a radial depth, a sipe face, an opposing sipe face, and a centerline located equidistant from the sipe faces, each sipe face has at least two horizontal rows of alternating recesses and protrusions of constant thickness, each recess on one sipe face is aligned with a protrusion on the opposing face, wherein, each recess or protrusion has at least four planes extending from the sipe centerline, wherein at the sipe centerline, at least one plane of each recess initiates a plane of an adjacent protrusion, and at least one plane of each protrusion initiates a plane of an adjacent recess and each recess or protrusion terminates in a planar vertex spaced from the centerline, the planar vertex being parallel to the sipe centerline.