I hope that it may prove of some interest to fellow Nitratevillians!
http://chart.copyrightdata.com/index.php#top" target="_blank
Cheap Generic drugs, sort of the "public domain" versions of formerly patented drugs, can be legally produced1950-1963..................
Copyrighted for 28 years from filing..................
eligible for renewal of 47 more years followed by extension of 20 years;
go to “Renewals” section to determine if the work is under copyright
Copyrighted 1964-1977....Copyrighted for 28 years from filing.....automatically renewed for 47 years; (go to “Renewals” section inasmuch as renewal-filing status may have ramifications on ownership)
Copyrighted 1978-1997....copyrighted by individual(s):....Copyrighted for life of creator plus 50 years thereafter copyright automatically extended 20 years (Sonny Bono Act, 1998)
Copyrighted 1978-1997....copyrighted by corporation:....Copyrighted for 75 years thereafter copyright automatically extended 20 years (Sonny Bono Act, 1998)
Copyrighted 1998-present....copyrighted by individual(s):....Copyrighted for life of creator plus 70 years thereafter
Copyrighted 1998-present....copyrighted by corporation:....Copyrighted for 95 years
Admirable, the extended protection given to corporations over individuals. Walt Disney Corp. got their lobbying-money's worth.JFK wrote: A useful, if depressing, site.