The ornamental design for a lock for furniture, as shown and described.
FIG. 1 is a plan view of a lock for furniture embodying my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a cross sectional view taken on line 7—7 of FIG. 1;
FIG. 8 is a cross sectional view taken on line 8—8 of FIG. 4;
FIG. 9 is a cross sectional view taken on line 9—9 of FIG. 4;
FIG. 10 is a perspective view;
FIG. 11 is a reduced perspective view of FIG. 10 shown on a piece of furniture. The broken line showing is included for the purpose of illustrating and forms no part of the claimed design;
FIG. 12 is a slightly reduced perspective view of FIG. 10 shown on a fragmented piece of furniture. The broken line showing is included for the purpose of illustrating and forms no part of the claimed design; and,
FIG. 13 is a slightly perspective view of FIG. 10 shown on a fragmented piece of furniture. The broken line showing is included for the purpose of illustrating and forms no part of the claimed design.