Protective case

FIG. 1 is a front perspective view of a protective case in accordance with my new design;

FIG. 2 is a front elevation view of the design of FIG. 1 ;

FIG. 3 is a back elevation view of the design of FIG. 1 ;

FIG. 4 is a first side elevation view of the design of FIG. 1 ;

FIG. 5 is a second, opposite side elevation view of the design of FIG. 1 ;

FIG. 6 is a top plan view of the design of FIG. 1 ; and,

FIG. 7 is a bottom plan view of the design of FIG. 1 .

The broken lines in the drawings illustrate portions of the protective case that form no part of the claimed design.