[BC] Another history question

[Harold Hallikainen]

"The duration of copyright protection recently changed as a result of the
Sonny Bono Copyright Term Extension Act of 1998. The easiest rule to state
is that Copyrights have expired on all United States works registered or
published prior to 1923. As a result, all such works have entered into the
public domain."

http://www.bitlaw.com/copyright/duration.html

Harold



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