Sink drain strainer

FIG. 1 is a front, right, top perspective view of a sink drain strainer, showing my new design;

FIG. 2 is a rear, left, bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof:

FIG. 9 is an enlarged view of detail 9 in FIG. 1 ;

FIG. 10 is an enlarged view of detail 10 in FIG. 1 ;

FIG. 11 is an enlarged view of detail 11 in FIG. 1 ;

FIG. 12 is an enlarged view of detail 12 in FIG. 1 ;

FIG. 13 is an enlarged view of detail 13 in FIG. 2 ;

FIG. 14 is an enlarged view of detail 14 in FIG. 2 ;

FIG. 15 is an enlarged view of detail 15 in FIG. 2 ;

FIG. 16 is an enlarged view of detail 16 in FIG. 2 ;

FIG. 17 is an enlarged view of detail 17 in FIG. 2 ;

FIG. 18 is an enlarged view of detail 18 in FIG. 3 ;

FIG. 19 is an enlarged view of detail 19 in FIG. 3 ;

FIG. 20 is an enlarged view of detail 20 in FIG. 5 ;

FIG. 21 is an enlarged view of detail 21 in FIG. 5 ;

FIG. 22 is an enlarged view of detail 22 in FIG. 8 ;

FIG. 23 is a front, right, top perspective exploded view;

FIG. 24 is a rear, left, bottom perspective exploded view;

FIG. 25 is an enlarged view of detail 25 in FIG. 23 ;

FIG. 26 is an enlarged view of detail 26 in FIG. 23 ;

FIG. 27 is an enlarged view of detail 27 in FIG. 23 ;

FIG. 28 is an enlarged view of detail 28 in FIG. 23 ;

FIG. 29 is an enlarged view of detail 29 in FIG. 24 ;

FIG. 30 is an enlarged view of detail 30 in FIG. 24 ; and,

FIG. 31 is an enlarged view of detail 31 in FIG. 24 .

The evenly spaced broken lines depict portions of the sink drain strainer that form no part of the claimed design. The dash dot dash broken lines denote the boundaries of the detail areas and form no part of the claim.