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日期:2025-05-01
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:2025-04-30
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:2025-04-29
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:2025-04-29
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....
瀏覽:971
日期:2025-05-04
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:2025-05-04
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:2025-05-04
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 ......