The ornamental design for an endoscope, as shown and described.
FIG. 1 is a perspective view of an endoscope showing our new design;
FIG. 2 is a front view thereof, the rear view being mirror image;
FIG. 3 is a plan view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is an enlarged left side view thereof;
FIG. 8 is an enlarged view of the area designated in FIG. 7; and,
FIG. 9 is an enlarged partial view of 9-9 section of FIG. 2.
The contrast in shading type between straight occasionally broken line shading and stipple shading represents a contrast in appearance as shown.
The evenly spaced broken lines are directed to environment and form no part of the claimed design. The dot-dash broken lines in FIG. 7 are used to identify the enlarged view in FIG. 8 and are for reference purposes only.