Under current US law copyright protection extends through the life of the author and to the end of the calendar year 70 years past the authors death.
First, the author generally retains the copyright unless other agreements are made. Second, the duration of copyright protection is based on the death year of the author.
The duration of American Me is 2.1 hours.
The duration of American Gun is 1.58 hours.
The reason copyright protection has a limited duration is so that works will eventually be added to the common, so everyone can benefit from them. In the US, copyright term is limited by the Constitution.
Copyright can be bought, sold, or transferred at any time during its duration.
If the photograph is copyrighted then the copyright owner has the exclusive right to make derivative works, including drawings or paintings of any recognizable portion of the original photograph. Copyright duration of works produced prior to 1977 is discussed under "Duration of copyrights".
The duration of American Gangster - film - is 2.62 hours.
"Life plus 20 years" refers to the duration of copyright protection, which lasts for the life of the creator plus an additional 20 years after their death. This means that the copyright on a work remains in effect for 20 years after the creator passes away.
The duration of American Movie is 1.78 hours.
The duration of The American Astronaut is 1.57 hours.
The duration of An American in Canada is 1800.0 seconds.
The duration of The American Venus is 1.45 hours.