The ornamental design for a usbconnectorretainer, as shown and described.
FIG. 1 is a perspective view of a USB connector retainer showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a side elevation view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a second side view thereof, in use condition; and,
FIG. 7 is a third side view thereof, in use condition.
Those portions of the present invention which are presented in phantom illustrate the environment of the design only and form no part of the claimed design. Moreover, the shading presented in the accompanying drawings is provided merely to highlight the contour of the invention and is not intended to be illustrative of texture or gloss.