They are:
(1) the expropriator must enter a private property;
(2) the entry must be for more than a momentary period.
(3) the entry must be under warrant or color of legal authority;
(4) the property must be devoted to public use or otherwise informally appropriated or injuriously affected;
(5) the utilization of the property for public use must be in such a way as to oust the owner and deprive him of beneficial enjoyment of the property.
