| 免费专利的获取和应用 |
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| 引用本文： | 白羽. 免费专利的获取和应用[J]. 科技情报开发与经济, 2008, 18(36): 104-105 |
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| 作者姓名： | 白羽 |
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| 作者单位： | 山西省科技情报研究所,山西,太原,030001 |
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| 摘 要： | 介绍了专利失效的原因及失效专利的种类，分析了免费专利的效用和利用价值，阐述了免费专利的获取，论述了应用免费专利时应注意的问题。
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| 关 键 词： | 免费专利 失效专利 过期专利 |
The Acquisition and Application of the Free Patents |
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| BAI Yu. The Acquisition and Application of the Free Patents[J]. Sci-Tech Information Development & Economy, 2008, 18(36): 104-105 |
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| Authors: | BAI Yu |
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| Abstract: | This paper introduces the reasons why the patent loses its effectiveness and the kinds of the invalid patents,analyzes the functions and use value of the free patents,expounds the acquisition of the free patents,and discusses some problems needing attention in the application of the free patents. |
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| Keywords: | free patent invalid patent expired patent |
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