The ornamental design for a syringeadapter, as shown and described.
FIG. 1 is a top left side perspective view of a syringe adapter in accordance with our new design;
FIG. 2 is a top front side perspective view of the design shown in FIG. 1;
FIG. 3 is a left side elevation view of the design shown in FIG. 1, a right side elevation view being a mirror image thereof; and,
FIG. 4 is a top plan view of the design shown in FIG. 1.
The broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.
The bottom plan view of the first embodiment of the syringe adapter is not shown in the drawings or described in the specification and, therefore, forms no part of the claimed design.