Thermos Bottle Cap

FIG. 1 is a back and right side perspective view of a thermos bottle cap of the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the thermos bottle cap that form no part of the claim.