A work can enter the public domain in many ways.
They said their work was entering a critical stage.
If this was not the case the work immediately entered into the public domain.
Unless the law changes, Graham's work will enter the public domain in 2061.
It was a failure at its premiere, and the work never entered the repertoire.
Both artists' work entered the collection after being featured in one of the museum's group shows.
In 1990 he was honored to be a judge - no work entered.
If formalities were not met, the work immediately entered into the public domain.
Privileges were then very short (3 to 10 years), after which the work entered the public domain.
During the 28 years before his death Hill's creative work entered a new phase.