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日期:2025-04-19
Global Patent Search Network (GPSN) Global Patent Search Network (GPSN) enables users to search the full text of multiple international patent collections. The initial collection available will be Chinese patent ......
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日期:2025-04-25
Most Popular Patent Content Recent documents: US Patents US Applications US Design Patents Miscellaneous: Crazy Patents University Patents Chemical Patents New Computers: Permitting Access Electrical Computers...
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日期:2025-04-24
US Plant Patent pp05000 [add leading 0's if needed] US Reissue re34343 US Statutory Invention Reg. h1234 Multiple Requests Separate with a semicolon: 12345; pp6000 Enter Number(s): To link to a patent, please use the ......
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日期:2025-04-22
Complete Patent Searching Database and Patent Data Analytics Services. ... Note that most fields support Phrase (ABST/"cardboard box"), Proximity (ABST/"cardboard box"~5), Wildcard (ABST/card*), and Leading Wildcard ......
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日期:2025-04-21
2013年9月30日 - See this important information about searching for patents: ... How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy - Web ......
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日期:2025-04-25
A list of online databases for a free patent search covering Canada - United States - Europe - WIPO and the EPO free patent search - Japanese abstracts - and USPTO Depository Library Program. ... US Free Patent Search USPTO Depository Library Program List...
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日期:2025-04-23
Free Patents Online US Patents US Patent Applications EP documents Abstracts of Japan WIPO (PCT) [54] Title 名稱 [57] Abstract 摘要 [57] Claims 申請專利範圍 Description Application [72] Inventor Name 創作人 v 以下搜尋策略可按滑鼠右鍵,再按複製 ......