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    January 14

    专利门人II

    发明创造必须符合三性，即新颖性，创造性，实用性。下面重点讲一下实用性。
    实用性是指发明创造能产生积极的技术效果，要能满足社会需要，促进科技和经济发展。
    如以下发明便不具有实用性：
    苍蝇断头台、马用脚踏车、自动脱帽机。
    9:06 PM | Blog it

    Comments (2)

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    行 章wrote:
    在专利局的体会么
    Jan. 15
    yan Xwrote:
    筛子机我看也不实用
    Jan. 15

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