The ornamental design a fuelcanister, as shown and described.
FIG. 1 is a front right perspective view of a fuel canister incorporating my new design;
FIG. 2 is a bottom left perspective view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is an enlarged cross-sectional view of the base of FIG. 5;
FIG. 7 is a rear view thereof;
FIG. 8 is a top view thereof; and,
FIG. 9 is a bottom view thereof.
The dot-dot-dash broken lines represent the bounds of the claimed design while all other broken lines are included for the purpose of illustrating portions of the fuel canister; the broken lines form no part of the claimed design.