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日期:2024-04-30
Home page of the United States Patent and Trademark Office's main web site....
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日期:2024-04-25
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
Image Mark Ser No Reg No Status Filing Owner Class(es) Goods and Services Image Mark Ser No Reg No Status Filing Owner Class(es) Goods and Services...
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日期:2024-04-29
General questions about patents and trademarks? Go to: USPTO Contact Center Telephone: 800-786-9199 ......
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日期:2024-04-26
30 Jun 2011 ... On-line: Patent application publications are available electronically on the
USPTO website, at http://www.uspto.gov/patft/index.html . A copy of a ......
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日期:2024-04-27
16 Apr 2013 ... Provisional Application for Patent brochure [PDF - 140 KB]. General questions
about patents and trademarks? Go to: USPTO Contact Center...
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日期:2024-04-25
24 Jul 2012 ... Patent Prosecution Highway (PPH) - Find fast track examination ... Priority
Document Exchange (PDX) - Program for direct electronic priority ......
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日期:2024-04-23
24 Jan 2012 ... The purpose of this guide is to provide you with basic information about filing a
utility patent application. A patent application is a complex legal ......