如何在USPTO网上专利数据库检索炸药专利

The Method of Searching Explosive Patent in USPTO Web Patent Database

在众多美国专利服务的网址中,USPTO网上专利数据库由于可以提供免费的专利全文而具有其它数据库所无法比拟的优势。结合作者实践经验,本文介绍了USPTO网上专利数据库的特点,对数据库的检索过程做了介绍。

USPTO Web Patent Database has an advantage due to its providing full patent text freely among web sites for US patent service. Characteristics and search procedure of USPTO Web Patent Database are presented in this paper.