KOZ-TV is the ABC O&O that serves the San Myshuno, CA area. It broadcasts on channel 4.
In August of 1963, the "Circle 4" logo would debut. Even after many changes, the base logo continues to be used to this day.
The ABC logo was added to the Circle 4, which was given a blue background
This logo only lasted for a year, before being replaced by the 2004 logo
While the 2009 Logo had been phased out of general usage by 2011, it continued to appear in newscasts until both it and the 2011 logo were replaced in 2012.