人防工程防护门专利概况
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（1 国家知识产权局专利局专利审查协作北京中心材料工程发明审查部，北京 100190; 2 国家知识产权局专利局专利审查协作北京中心机械工程发明审查部，北京 100190）[摘 要] 简要介绍了中国人防工程防护门的特点，通过对中国专利数据库（CNPAT）中关于人防门领域的专利进行检索，对应于人防门的主要类型，分析了国内人防门的专利申请概况、典型专利及研究的意义。[关键词] 人防工程;防护门;专利中图分类号：TU318 文献标识码:A 文章编号:1002-848X（2013）S2-0122-04General description of patent to protective door of air defense projectsWang ruibin1, Ma ting2,Wang li1,Wang min1,Zhu yuhua1(Patent Examination Cooperation Center of the Patent Office, SIPO, Beijing 100190, China)Abstract: Briefly introduced characteristic of protective door of air defense projects in china, through searching in the field of patents on air defense protective door in the China Patent Database (CNPAT), which corresponds to the main types of air defense door, analysis about patent general situation, typical patents in china and purport of studies were made.Keywords: air defense projects; protective door; patent
