Patent ID: 8833029

Claim:
A floor panel, comprising: a top side; an underside; a first side edge having a tongue; an opposite side edge having a recess corresponding to the tongue; a second side edge extending in a transverse direction to the first side edge and having a first relief comprising an inner wall, a form-fitting element arranged on the inner wall, an inner shoulder wall, an essentially horizontally oriented head surface, an outer wall, and a termination edge arranged on the outer wall; and a side edge opposite the second side edge having a second relief comprising an other outer wall, an undercut corresponding to the form-fitting element arranged on the other outer wall, an other head surface, an other inner shoulder wall, a base surface, an other inner wall, and an other termination edge arranged on the other inner wall, wherein the form-fitting element is structured and arranged to engage the undercut of a substantially identical panel for locking in a vertical direction when the floor panel and the substantially identical panel are connected in an installed state.