However , in the United States , all works prior to 1923 are public domain .
Maurice Lobre Boiserie de Versailles Since Lobre died in 1951 , his works are protected by copyright until 2021 ( life + 70 years ) .
In the United States , all works prior to 1923 are public domain .
Maurice Lobre Boiserie de Versailles Since Lobre died in 1951 , his works are protected by copyright until 2021 ( life + 70 years ) .