Section 303. Duration of copyright: Works created but not published or copyrighted before January 1, 1978 [5]
(a) Copyright in a work created before January 1, 1978, but not theretofore in the public domain or copyrighted, subsists from January 1, 1978, and endures for the term provided by section 302. In no case, however, shall the term of copyright in such a work expire before December 31, 2002; and, if the work is published on or before December 31, 2002, the term of copyright shall not expire before December 31, 2047.
(b) The distribution before January 1, 1978, of a phonorecord shall not for any purpose constitute a publication of the musical work embodied therein.
Section 304. Duration of copyright: Subsisting copyrights [6]
(a) Copyrights in Their First Term on January 1, 1978.
(1)(A) Any copyright, in the first term of which is subsisting on January 1, 1978, shall endure for 28 years from the date it was originally secured.
(B) In the case of-
(i) any posthumous work or of any periodical, cyclopedic, or other composite work upon which the copyright was originally secured by the proprietor thereof, or
(ii) any work copyrighted by a corporate body (otherwise than as assignee or licensee of the individual author) or by an employer for whom such work is made for hire,
the proprietor of such copyright shall be entitled to a renewal and extension of the copyright in such work for the further term of 67 years.
(C) In the case of any other copyrighted work, including a contribution by an individual author to a periodical or to a cyclopedic or other composite work-
(i) the author of such work, if the author is still living,
(ii) the widow, widower, or children of the author, if the author is not living,
(iii) the author’s executors, if such author, widow, widower, or children are not living, or
(iv) the author’s next of kin, in the absence of a will of the author, shall be entitled to a renewal and extension of the copyright in such work for a further term of 67 years.
(2)(A) At the expiration of the original term of copyright in a work specified in paragraph (1)(B) of this subsection, the copyright shall endure for a renewed and extended further term of 67 years, which-
(i) if an application to register a claim to such further term has been made to the Copyright Office within 1 year before the expiration of the original term of copyright, and the claim is registered, shall vest, upon the beginning of such further term, in the proprietor of the copyright who is entitled to claim the renewal of copyright at the time the application is made; or
(ii) if no such application is made or the claim pursuant to such application is not registered, shall vest, upon the beginning of such further term, in the person or entity that was the proprietor of the copyright as of the last day of the original term of copyright.