[batterymaker]

Originally Posted by old_tv_nut

Wikipedia says its use was gradually diminished during the 60s and early 70s, (going from all color programs to specials, to NBC-produced programs only) and retired in 1975.
https://en.wikipedia.org/wiki/Logo_o...6%E2%80%931959)

Funny story concering that--their new logo was a stylized red and blue N. Problem was, the Nebraska Education TV Network had the same stylized N, both went to court, eventually NBC's N fell by the wayside