The ornamental design for a selfinjectionpendevice, as shown and described.
FIG. 1. is a perspective view of self injection pen device;
FIG. 2. is a rear top view of FIG. 1;
FIG. 3. is a rear view of FIG. 1;
FIG. 4. is a left side view of FIG. 1;
FIG. 5. is a right side view of FIG. 1;
FIG. 6. is a front view of FIG. 1;
FIG. 7. is a front view of FIG. 8; and,
FIG. 8. is a perspective view of FIG. 1 at an angle.
The design is to be applied to a self injection pen device and the novelty resides in the features of shape and/or configuration of the self injection pen device as shown in the accompanying representations.
The broken line showing of self injection pen device is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.