The ornamental design for a copperraingutter, as shown and described.
FIG. 1 is a front perspective view of a copper rain gutter of indefinate length mounted on the eave of a house and showing my new design;
FIG. 2 is an enlarged view of the left side of the copper rain gutter showing my design;
FIG. 3 is a left side elevational view of FIG. 2, the right side elevational view being identical;
FIG. 4 is a front elevational view of FIG. 2, the rear elevational view being identical;
FIG. 5 is a top plan view of FIG. 2;
FIG. 6 is a bottom plan view of FIG. 2; and,
FIG. 7 is a front perspective view similar to FIG. 2 but wherein the hanger componemt is depicted separated from the body component.
The broken line showing of the eave portion of the house shown in FIG. 1 is for the purpose of illustrating environmental structure, while the broken line showing of the brackets are for the purpose of illustrating portions of the article, both forming no part of the claimed design.