In IT, copyright most often applies to software, which can be protected by both copyright AND patent law. Most software-related copyright issues are addressed in detail in end user licensing agreements.
Individual words are not protected by copyright.
When the term of copyright protection expires, the work enters the public domain and can be reused with no limitations.
it means copyright it's the symbol for copyright
Infringement.
After copyright term has expired, materials enter the public domain.
Copyright is instantaneous Trademark has to be applied for Copyright cannot be "lost" Trademarks must be "vigorously" defended Copyright has a fixed term Trademarks have a variable term Copyrights expire and cannot be renewed Trademarks can be renewed indefinetly
Once copyright term expires, the material enters the public domain.
"Copyright obtained" is an unnecessarily wordy way of saying the material is protected by copyright.
copyright symbol is c with circle ©
Term of copyright is for the life of the creator plus 70 years.
The Copyright Office is said to have administrative control of copyright because it administers the law.
"Vintage" is an ambiguous term. If by vintage you mean prior to 1923 then in most cases the material will reside in the public domain. However if the material is more recent you will have to determine who the holder of copyright is, and then contact them for the proper permission.