Is there a date in which all U.S. copyright rights to material has expired?

Question

Is there a date in which all U.S. copyright rights to material has expired? I am looking into copyrights for old time radio shows like Mystery Theater, Gunsmoke, Theater Five, Johny Dollar, and Dragnet.

Copyright
CATEGORY
United States
COUNTRY
Oct 30, 2014
POSTED DATE
1
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Answers: 1 public & 0 private

282cbae
Patent Attorney

Yes, there is an expiration for U.S Copyright material, Please check the link below for the calculation of term of copyright protection for the old time radio shows quoted by you.
http://www.copyright.gov/circs/circ15a.pdf

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