"Captain, I respectfully request a leave of absence for an unlimited period of time."

The seacopters, being atomic-powered, were able to fly for unlimited periods.

The game is free to download and play, for an unlimited period of time with level and game-play restrictions.

The second stage is an unlimited period of job-retention and job-advancement services.

The apparatus will generate a negative field twenty-four hours a day, and for an unlimited period.

In addition there are two free editions that can be trialed for an unlimited period.

We may keep information that will collect for an unlimited period of time.

We support authorisation for an unlimited period, provided that this does not impact on product safety.

Do we want to allow Member States to maintain an unlimited period?

We must not allow any president to unleash the dogs of war at his own discretion and for an unlimited period of time.