FIG. 1 is a perspective view of an embodiment of a fluid storage vessel showing my new design;
FIG. 2 is a first side thereof;
FIG. 3 is a second side thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a perspective view of a second embodiment of a fluid storage vessel showing my new design;
FIG. 9 is a first side thereof;
FIG. 10 is a second side thereof;
FIG. 11 is a front view thereof;
FIG. 12 is a back view thereof;
FIG. 13 is a top view thereof; and,
FIG. 14 is a bottom view thereof.
The broken line showing of some elements in the some of the figures is included for the purpose of illustrating environment and forms no part of the claimed design.