The ornamental design for a oral-type thermochromic fever indicator, as shown and described.
FIG. 1 is a front view of an oral-type thermochromic fever indicator,
showing my new design.
FIG. 2 is a rear view thereof;
FIG. 3 is an end view thereof;
FIG. 4 is an end view thereof taken from the end opposite that shown in
FIG. 3; and
FIG. 5 is a front view of a further embodiment of a oral-type thermochromic
fever indicator showing my new design, the end and rear views of this
embodiment being duplicates of those shown in FIGS. 2, 3 and 4.