Fastener

FIG. 1 is an isometric view of a top, front, and left side of an ornamental design for a fastener;

FIG. 2 is a front elevational view of the fastener of FIG. 1 ;

FIG. 3 is a rear elevational view of the fastener of FIG. 1 ;

FIG. 4 is a right side elevational view of the fastener of FIG. 1 ;

FIG. 5 is a left side elevational view of the fastener of FIG. 1 ;

FIG. 6 is a top plan view of the fastener of FIG. 1 ;

FIG. 7 is a bottom plan view of the fastener of FIG. 1 ;

FIG. 8 is a front elevational, cross-sectional view taken through line 8 - 8 of the fastener of FIG. 7 ;

FIG. 9 is an isometric view of a top, front, and left side of another ornamental design for a fastener;

FIG. 10 is a front elevational view of the fastener of FIG. 9 ;

FIG. 11 is a rear elevational view of the fastener of FIG. 9 ;

FIG. 12 is a right side elevational view of the fastener of FIG. 9 ;

FIG. 13 is a left side elevational view of the fastener of FIG. 9 ;

FIG. 14 is a top plan view of the fastener of FIG. 9 ;

FIG. 15 is a bottom plan view of the fastener of FIG. 9 ;

FIG. 16 is a front elevational, cross-sectional view taken through line 16 - 16 of the fastener of FIG. 15 ;

FIG. 17 is an isometric view of a top, front, and left side of yet another ornamental design for a fastener;

FIG. 18 is a front elevational view of the fastener of FIG. 17 ;

FIG. 19 is a rear elevational view of the fastener of FIG. 17 ;

FIG. 20 is a right side elevational view of the fastener of FIG. 17 ;

FIG. 21 is a left side elevational view of the fastener of FIG. 17 ;

FIG. 22 is a top plan view of the fastener of FIG. 17 ;

FIG. 23 is a bottom plan view of the fastener of FIG. 17 ; and,

FIG. 24 is a front elevational, cross-sectional view taken through line 24 - 24 of the fastener of FIG. 23 .