No license shall be issued for any premises in any neighborhood which is predominantly residential or within three hundred feet (300') of any public school, church or any other place of worship, measured in a straight line to the nearest entrance to the licensed premises; provided, that this limitation shall not apply to any duly licensed premises that at the time of licensing did not come within the restricted area but subsequent to licensing the same. (Ord. 211 § 9, 1947)