The ornamental design for an endoscope, as shown and described.
FIG. 1 is a front perspective view of an endoscope according to the present invention.
FIG. 2 is a bottom elevational view of the endoscope of FIG. 1.
FIG. 3 is a top elevational view of the endoscope of FIG. 1.
FIG. 4 is a right side perspective view of the endoscope of FIG. 1.
FIG. 5 is a left side perspective view of the endoscope of FIG. 1.
FIG. 6 is a front elevational view of the endoscope of FIG. 1; and,
FIG. 7 is a rear elevational view of the endoscope of FIG. 1.
The dashed lines illustrate environment that does not form a part of the present invention, and no claim is made to the material illustrated with dashed lines.
The broken away symbols in the drawings indicate that any portion of the article beyond what is shown forms no part of the claimed design.