問題詳情

9 In the United States, even though the inventor was first to invent, he may be barred if he publicly uses or sells itoutside the twelve month grace period. What is the term to describe the situation?
(A) periodical bar
(B) statutory bar
(C) insufficient bar
(D) incomplete bar

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)