It varies from country to country. The minimum for members of the World Trade Organization is the life of the creator plus 50 years; the US and several other countries have extended this to life plus 70 years.
Under USA laws: 95 years for a corporate owner or an employer. Life+70 Years if the magazine is owned by an individual who did the work not as a work for hire. Note that copyright of images or articles within the magazine could have much longer individual copyrights of their own, such as those done by individuals where they live another 50 years and copyright last another 70 years after that.
95 years from creation.
Copyright term for software in India is 60 years from the date of publication.
Scanning pages from a magazine for personal use may not be considered illegal, as long as it does not violate copyright laws or the terms of use set by the publisher. However, distributing or sharing scanned pages without permission may be a copyright infringement. It is best to review the magazine's terms of use or seek legal advice to ensure compliance with copyright laws.
Generally, at least under US Law, copyright protection extends 70 years past the death ot the author/creator of the work.
Indefinitiely as long as you don't damage the projectile
In Australia, protection exists for the life of the creator plus 70 years.
A typical Cosmopolitan magazine subscription lasts for a year. However, the website allows one to order two or three year Cosmopolitan magazine subscriptions as well.
The student magazine "Business Today" has been in publication since 1968, and is the largest student run magazine in the United States. Another publication with the identical title is an Indian business magazine which has been in publication since 1992.
Start by trying to determine the date, who was the photographer (or photographer's employer), and whether the photograph was ever published. Then see the related question, "How long does a copyright last?"
Until 2005, works were protected for the life of the creator plus 50 years. This was extended to life plus 70 years, but copyright was not revived on works that were already in the public domain.
Yes, you can copyright a slogan as long as it meets the requirements for copyright protection, such as being original and creative.