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日期:2024-11-08
重要更新:本站美國專利全文下載已全面支持所有的美國專利公開文件、授權文件,全面支持PDF格式與TIF格式! 格式:專利申請公開號或審定授權號,申請公開號格式為4位年份+序列號組成,例如:20060100198,20050158320,共11位數字。...
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The official website of the European Patent Office (EPO). Find information on applying and searching for patents, legal issues on patents, patent grants, rules and regulations about ......
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日期:2024-11-13
US PCT Applicant’s Guide – National Phase – National Chapter – US Page 5 (3 April 2014) SUMMARY Designated (or elected) Office SUMMARY US UNITED STATES PATENT AND TRADEMARK OFFICE (USPTO) [Continued] US Exemptions, reductions or ......
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Complete Patent Searching Database and Patent Data Analytics Services....
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Welcome to Patent Fetcher ®! Please enter a Patent or published Patent Application number below. Note: Fetches of documents not already in our archives may take a few seconds or even a few minutes for very large ......
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2014.09.03 NOTICE: Recent problems with fetching documents have been fixed.
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