The ornamental design for a flexibleinflatabledevice mount, as shown and described.
FIG. 1 is a front plan view of a flexible inflatable device mount showing my new design;
FIG. 2 is a side view of the flexible inflatable device mount of FIG. 1;
FIG. 3 is a top plan view of the flexible inflatable device mount of FIG. 1;
FIG. 4 is a back end view of the flexible inflatable device mount of FIG. 1;
FIG. 5 is a bottom view of the flexible inflatable device mount of FIG. 1;
FIG. 6 is a side view of the flexible inflatable device mount of FIG. 1 positioned in a window ledge; and,
FIG. 7 is a perspective view of the flexible inflatable device mount of FIG. 1.
The broken line showing a non-limiting inflatable device and a window ledge for connecting to an end of the flexible inflatable device mount are included for the purpose of illustrating non-claimed subject matter and form no part of the claimed design.