His departure leaves two unfilled seats among the seven Fed governors.

Scientists said this week that it was highly likely that Dr. Sakharov would win one of the unfilled seats.

There were four unfilled seats.

Airlines also worry that with seats unfilled and fare discounting under way, they will not be able to pass new security levies on to fliers.

The City Council decided to leave the seat unfilled until the next municipal vote, in 1945.

Some of these single candidates did not achieve anything close to that, leaving a number of seats unfilled.

The Fernandez plan still guarantees enrollment to children who live in a school's geographic zone, leaving only unfilled seats for inter-district transfers.

Most of all, he says, he thinks about seats unfilled on his sociable train.

And it appears that, when there is a vacancy, if the company can't get the person it wants, it may leave the seat unfilled.

Also, a party that does not run enough people to fill all the seats it wins may be given those unfilled seats.