The term of exclusive rights to a patent lasts for 20 years from the date the application is filed. After that, the material formerly patented is now available to the public unless the patent filer pays the renewal fees associated with the patent. Some examples of publicly available patents are powered flight, the English language, and the works of Shakespeare.
The Bible, The Mona Lisa, the works of Scott Joplin, the Star-Spangled Banner, Ivanhoe, Little Women...there are literally millions if not billions of examples.
Virtually everything published before 1923 is in the public domain as well as many works published before 1964 and not properly renewed or permitted to lapse
The most popular example of software in the public domain is SQLite. There isn't too much software in the public domain, as most of it is licensed under a very permissive free software license, like the BSD license.
The broad assumption is that if something is in the public domain, there is no incentive for anyone to care for it. This is referred to as the tragedy of the commons, but has been fairly consistently disproved. For example, films in the public domain are much better cared for than films that archivists are prevented from migrating to new media by copyright restrictions.
Union for the Public Domain was created in 1996.
Yes, Shenandoah is public domain.
Center for the Public Domain was created in 1999.
One can find pictures of puppies that are considered to be in the public domain on public domain picture collection websites. These are a few of those: Wikimedia, PublicPhoto, Pixabay, PD photo, Photos Public Domain, Picdrome, Alegri Photos, Free Photo Gallery, Public-Domain-Photos, 4Free Photos, Free Stock Image Site, Public Domain Files,Public Domain Depot, Open Galleries, Free Images Collection, Free Digital Photos, Public Domain Photo, Project Public Domain Pictures.
Public Domain pictures are images, photographs, or pieces of art that are free from copyright regulation; this makes them public domain. Companies such as Public Domain Image and Public Domain Pictures offer access to images for free. Other great companies are USA government website, as many of their images are public domain, and PD Images.
Yes - all questions and answers on this site are in the public domain. Even your profile is in the public domain (though only you can edit it !)
All of Shakespeare's plays are in the public domain. Pygmalion is in the public domain. I'm sure there are many, many more too!
Written laws, as works of the government, are in the public domain.
Public domain materials have no limitations.
The duration of Public Domain - film - is 1.5 hours.