The ornamental design for a lid locking apparatus for a trash container, as shown and described.
FIG. 1 is a perspective view of the lid locking apparatus for a trash container shown in a closed position with a chain and padlock attached.
FIG. 2 is another perspective view of the lid locking apparatus for a trash container.
FIG. 3 is a front elevational view of the lid locking apparatus for a trash container.
FIG. 4 is a rear elevational view of the lid locking apparatus for a trash container.
FIG. 5 is a left side elevational view of the lid locking apparatus for a trash container.
FIG. 6 is a right side elevational view of the lid locking apparatus for a trash container.
FIG. 7 is a top plan view of the lid locking apparatus for a trash container; and,
FIG. 8 is a bottom plan view of the lid locking apparatus for a trash container.
The broken lines showing the chain and the padlock in FIG. 1 are included for the purpose of illustrating environmental elements only and form no part of the claimed design.