There is no fixed limit on how long the families can stay.

"Depends on how long the program would take to develop," said Step.

Most everyone is surprised he's gone on this long, Ruby.

Details on how long a period would be covered were still being worked out yesterday.

There was no word on how long he would be out.

Further, there was no information on how long the test would continue.

Again, that is totally dependent, of course on how long we're here.

He also offered no predictions on how long the crisis would last.

In United's case, there was no word on how long the board's staff members might deliberate.

That certainly put a limit on how long he could wait.