You know I've wanted this from the concept stage.

These projects never made it out of the concept stage.

A new experience for him as it had to apply the concept stage to the television format.

The original designs were taken from concept stage to production in 12 months.

However, development of this attraction never got beyond the concept stage.

On February 5, 2008 the company announced it had designed a passenger plane to the concept stage.

Another show car version was also created in the late 1970s but never left the concept stage.

All three development attempts never went past announcement or concept stages nor received official titles.

This project is in the concept stage, with no construction nor completion dates at present.

Boeing has studied a number of 747 variants that have not gone beyond the concept stage.