FIG. 1 is a top right-hand perspective view of a portable fuel pump;
  
    FIG. 2 is a top left-hand perspective view of the portable fuel pump;
  
    FIG. 3 is a top rear perspective view of the right-hand side of the portable fuel pump;
  
    FIG. 4 is a top rear perspective view of the left-hand sides of the portable fuel pump;
  
    FIG. 5 is an underside, front, right-hand perspective view of the portable fuel pump;
  
    FIG. 6 is an underside, front, left-hand perspective view of the portable fuel pump;
  
    FIG. 7 is a top view of the portable fuel pump;
  
    FIG. 8 is an underside view of the portable fuel pump;
  
    FIG. 9 is the left-hand elevation view of the portable fuel pump;
  
    FIG. 10 is the front elevation view of the portable fuel pump;
  
    FIG. 11 is the right-hand elevation view of the portable fuel pump;
  
    FIG. 12 is the rear elevation view of the portable fuel pump; and,
  
    FIG. 13 is a top right-hand perspective view of a portable fuel pump showing a second embodiment of my new design.
  The broken lines in FIGS. 9 and 11 are included for the purpose of illustrating portions of the portable fuel pump that form no part of the claimed design.