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日期:2024-04-23
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:2024-04-29
Home page of the United States Patent and Trademark Office's main web site....
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日期:2024-04-26
美國專利商標局(US Patent and ... Google Patent Search 美國專利搜尋網站....
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日期:2024-04-28
The US Patent and Trademark Office (
PTO) offers World-Wide Web (Web) ......
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日期:2024-04-27
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:2024-04-28
2014年2月13日 - Information about the U.S. patenting process, including agency organization chart, rules and regulations, FAQs, and online applications....
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日期:2024-04-24
Note that most fields support Phrase (ABST/"cardboard box"), Proximity ......