Yes; they will not enter the public domain until 2047.
Yes. Any artistic work of sufficient originality is eligible for copyright protection
Yes; they will be protected through 2055.
No, but images (such as photos) of the paintings may be protected. Works of that period may also be protected by moral rights in some countries.
Works of sufficient creativity are automatically protected by copyright as soon as they are fixed in a tangible medium. If formal registration is available in your country, you may do so in addition.
Yes, old paintings in the public domain are available for public use as they are not protected by copyright and can be freely used by anyone.
mill town paintings
over 1000 paintings and 8000 drawings
Copyright protects all of these. The Copyright office has simplified registration for paintings and for reproduction prints, they are registered on form VA (Visual Arts); sheet music on form PA (Performing Arts) and if registered electronically the fee is $35. Trademarks do not apply to any of these.
2008.
No. You could copyright a drawing or photograph of the logo but the logo itself would have to be protected as a trademark.
Yes; paintings and illustrations PUBLISHED prior to 1923 are in the public domain; only her later works may be protected under US copyright law, provided their publication conformed to the appropriate formalities (i.e., proper copyright notice and renewal for anything published prior to 1963). However, her unpublished works will be protected for 70 years after her 1960 death.
Under US law, no the building itself is not protected by copyright. However if someone were to take photos or make illustrations/paintings of he Moscow Kremlin, then their work would be eligible for copyright protection and you would nee permission to use it.