Demarcation telephone protector block
FIG. 1 is a front elevational view of a demarcation telephone protector block showing our new design; 
     FIG. 2 is a side elevational view thereof, as seen from the left hand portion of FIG. 1; 
     FIG. 3 is a rear elevational view thereof; 
     FIG. 4 is a top plan view thereof; 
     FIG. 5 is a bottom plan view thereof; and 
     FIG. 6 is a vertical sectional view thereof on an enlarged scale as seen from the plane 6--6 in FIG. 1. 
     The terminals are partially shown in FIGS. 1, 2 and 6 for convenience of illustration.