[bob jenkins]

Originally Posted by bainsey

On the drive home, my partner wondered aloud if the timekeeper hadn't buzzed, would we still have a correctable error. As I recall, as long as we didn't leave the floor, I believe we still did: Ball became live on the free throw, dead on quarter expiring. The window would still be open, yes?

The end of the quarter / game is just another dead ball. It does not (by itself) end or eliminate any CE timeframe.