We claim the ornamental design for a mount and extension for a USB cable, as shown and described.
FIG. 1 is a perspective view of a mount and extension for a USB cable, showing our new design in a collapsed configuration;
FIG. 2 is a front elevation view thereof, in an extended configuration, portions between the break lines omitted for clarity of illustration;
FIG. 3 is a rear elevation view of thereof;
FIG. 4 is a right-side elevation view of thereof;
FIG. 5 is a left-side elevation view of thereof;
FIG. 6 is a bottom plan view of thereof; and,
FIG. 7 is a top plan view of thereof.
The broken lines in the drawings are for illustration of the environment and form no part of the claimed design.
The mount and extension for USB cable is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.