Deadbolt for door assembly

FIG. 1 is a top, front and right perspective view of a deadbolt for door assembly showing our new design;

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

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a perspective view thereof, showing in the environmental use.

The deadbolt for door assembly details shown in dashed lines are for illustrative purposes only and form no part of the claimed ornamental design.

The dash lines in FIG. 8 represent the environment while other dash lines represent unclaimed portions of the design, None of the dash lines form part of the claimed design.