The ornamental design for a chimney vent capgrip, as shown and described.
FIG. 1 is a front perspective view of a chimney vent cap grip showing my new design according to an example embodiment, the chimney vent cap grip being shown attached to a chimney vent cap for a grill, smoker, or other cooking device;
FIG. 2 is the front perspective view of the chimney vent cap grip of FIG. 1 without the chimney vent cap;
FIG. 3 is a left elevation view of the chimney vent cap grip of FIG. 1;
FIG. 4 is a right elevation view of the chimney vent cap grip of FIG. 1;
FIG. 5 is a top plan view of the chimney vent cap grip of FIG. 1.
FIG. 6 is a bottom plan view of the chimney vent cap grip of FIG. 1;
FIG. 7 is a front elevation view of the chimney vent cap grip of FIG. 1; and,
FIG. 8 is a back elevation view of the chimney vent cap grip of FIG. 1.
The broken lines in FIG. 1 illustrate the chimney vent cap and form no part of the claimed design. All other broken lines illustrate portions of the chimney vent cap grip that form no part of the claimed design.