I claim the ornamental design for a pull station, substantially as shown and described.
FIG. 1 is a perspective view of my new design in the unactivated position;
FIG. 2 is a front view of the design of FIG. 1;
FIG. 3 is a right side view of the design of FIG. 1;
FIG. 4 is a left side view of the design of FIG. 1;
FIG. 5 is a top plan view of the design of FIG. 1;
FIG. 6 is a bottom plan view of the design of FIG. 1;
FIG. 7 is a back view of the design of FIG. 1; and,
FIG. 8 is a perspective view of the design of FIG. 1 in the activated position.
The broken line showing of portions of the bottom, back, and pull handle is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.