The ornamental design for a cremationurn, as shown and described.
FIG. 1 is a perspective view of a cremation urn showing my new design (the
thickness of openings provided in the left wall of the cremation urn has
been omitted in this figure for clarification purposes only);
FIG. 2 is a front elevational view of the cremation urn of FIG. 1;
FIG. 3 is a left side elevational view of the cremation urn of FIG. 1 (the
shading of the reflecting surface visible through openings has been
omitted in this figure for clarification purposes only);
FIG. 4 is a top plane view of the cremation urn of FIG. 1; and,
FIG. 5 is a rear elevational view of the cremation urn of FIG. 1.