At one time it had been considered state of the art, but no longer.

This was beyond the state of the art at the time.

The security system on the door was supposed to be state of the art.

There is a state of the art in these things.

At any moment there is a state of the art.

The security panel itself looked to be state of the art and then some.

We tried to go a little bit beyond "state of the art."

Maybe this passed as state of the art back then.

If so, American democracy is the state of the art.

The state of the art had come a long way since then.