The ornamental design for a dograincoat, as shown and described.
FIG. 1 is a top rear left side perspective view of a dog raincoat, showing my new design, in condition of use;
FIG. 2 is a top front left side perspective view of the dog raincoat of FIG. 1;
FIG. 3 is top rear right side perspective view thereof;
FIG. 4 is a front elevational view thereof, enlarged for clarity of disclosure;
FIG. 5 is a rear elevational view thereof, enlarged for clarity of disclosure;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a right side elevational view thereof;
FIG. 8 is a top plan view thereof; and,
FIG. 9 is a bottom plan view thereof.
The broken line showing of a dog and raincoat hardware (cord-lock and D-ring) depicts environmental subject matter only and forms no part of the claimed design. The broken line showing on the raincoat depicts stitching and forms no part of the claimed design.