US D302951 S
FIG. 1 is a front three-quarter perspective view of an infra-red detector embodying our new design;
FIG. 2 is a top plan view thereof, the bottom being a mirror image;
FIG. 3 is a front elevational view thereof; and
FIG. 4 is a side elevational view thereof, the right side being a mirror image.
The rear is flat and unornamented.