The ornamental design for a feedingbottle warmer, as shown and described.
FIG. 1 is a front perspective view of the feeding bottle warmer;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left view thereof;
FIG. 5 is a right view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a back perspective view thereof; and,
FIG. 9 is an exploded view of the feeding bottle warmer shown in an environment of use with a feeding bottle inserted into the warmer.
The broken line showing of the bottle in FIG. 9 is for environmental purposes only and forms no part of the claimed design. All other broken lines in the drawings depict portions of the feeding bottle warmer that form no part of the claimed design.