The ornamental design for a stethiscopecover, as shown and described.
FIG. 1 is a front elevational view of a stethiscope of our new design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a rear elevational view thereof, the front elevational view being a mirror image;
FIG. 4 is a right side view thereof; the left side view being a mirror image;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a top plan view.
The broken line showing the stethiscope is for illustrative purposes only and forms no part of the claimed design. The broken lines showing in all views of the cover is shown to represent the stitch pattern applied to the claim design.