The ornamental design for a carwindowscreen for protection of pets, as shown and described.
FIG. 1 is a perspective view of a car window screen for protection of pets showing my new design attached to the top of an open window of a car door.
FIG. 2 is an enlarged, front elevational view of the car window screen for protection of pets of FIG. 1, shown in a non-operative position.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a top plan view thereof.
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side elevational view thereof.
The broken lines in FIG. 1 showing a car door and an open car window are included for the purpose of illustrating environment and form no part of the claimed design.