Assertion: copyright | /r/HasProperty | renewed after 28 years
Facets:
value: to stay in force
type: PURPOSE
value: for a further 28 years
type: TEMPORAL
value: under the 1909 act
type: OTHER
Source sentences:
text: For example, the United States used to require copyrights to be renewed after 28 years to stay in force, and formerly required a copyright notice upon first publication to gain coverage.
text: For example, the United States used to require copyrights to be renewed after 28 years to stay in force, and formerly required a copyright notice upon first publication to gain coverage.
text: Under the 1909 Act, copyrights could be renewed, after 28 years, for a further 28 years, resulting in a total of 56 years of protection for works whose copyrights were renewed.