search:patent number b2相關網頁資料

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日期:2026-04-20
4 Jul 2009 ... B2. Utility Patent Grant (with pre-grant publication) issued on or after January 2, 2001. Cn. Cn. Reexamination Certificate issued on or after ......
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日期:2026-04-17
Sample patent front page, from Patent Number 6,763,791 ... application; B1 - Utility Patent, not previously published; B2 - Utility Patent, previously published as ......
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日期:2026-04-24
23 Nov 2011 ... Logo European Patent Office. Site search .... page of a B document, ie. B1 or B2 document. ... document, ie. A1, A2, A3, B1, B2 or B3 document....
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日期:2026-04-24
23 Nov 2011 ... European patent application, published 18 months after filing with the EPO or 18 months after priority ... A1, A2, A3, B1, B2 or B3 document....
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日期:2026-04-22
The USPTO determined each patent would have a county code, patent number and a WIPO code. B2 represents a patent document. It means "Having a ......
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日期:2026-04-22
Understanding Patent Numbers .... C1, C2, C3, Reexamination Certificate, Reexam Certificates published prior to 2001 retain the codes B1, B2, etc. E, Reissue ......
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日期:2026-04-24
Patent Kind Codes for CAS Basic and Patent Family Members. ... B2, Patent de Grant (Patent published after examination without search report) .... D, Patent Specification (Used to distinguish a document with the same number as one ......