patent length

URI: https://gptkb.org/prop/patent_length
4 triples
GPTKB property
Random triples
Subject Object
gptkb:US645576_A 20 years
gptkb:US_Patent_3,123,098 20 years
gptkb:US_Patent_645578 20 years
gptkb:U._S._patent_for_flying_machine 17 years