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Extract from the Register of European Patents

EP About this file: EP4234731

EP4234731 - WOUND CORE [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  28.07.2023
Database last updated on 05.10.2024
FormerThe international publication has been made
Status updated on  07.05.2022
Most recent event   Tooltip03.09.2024The date on which the examining division becomes responsible, has been established 
03.09.2024Amendment by applicant 
Applicant(s)For all designated states
NIPPON STEEL CORPORATION
6-1, Marunouchi 2-chome
Chiyoda-ku
Tokyo 100-8071 / JP
[2023/35]
Inventor(s)01 / KAWAMURA, Yusuke
Tokyo 100-8071 / JP
02 / MIZUMURA, Takahito
Tokyo 100-8071 / JP
 [2023/35]
Representative(s)Vossius & Partner Patentanwälte Rechtsanwälte mbB
Siebertstraße 3
81675 München / DE
[2023/35]
Application number, filing date21886238.126.10.2021
[2023/35]
WO2021JP39560
Priority number, dateJP2020017926626.10.2020         Original published format: JP 2020179266
[2023/35]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022092120
Date:05.05.2022
Language:JA
[2022/18]
Type: A1 Application with search report 
No.:EP4234731
Date:30.08.2023
Language:EN
[2023/35]
Search report(s)International search report - published on:JP05.05.2022
(Supplementary) European search report - dispatched on:EP04.03.2024
ClassificationIPC:C21D8/12, C22C38/00, C22C38/02, H01F41/02, C22C38/60, H01F3/02, H01F1/147, H01F27/245, // C21D1/26, C21D1/76, C21D3/04, C21D6/00, C21D9/46, C22C38/06, C22C38/16, C22C38/12
[2024/14]
CPC:
C22C38/02 (EP,KR,US); H01F27/245 (EP,KR,US); C21D1/74 (US);
C21D3/04 (EP,US); C21D6/005 (US); C21D6/008 (EP,US);
C21D8/12 (KR); C21D8/1222 (EP,US); C21D8/1233 (EP,US);
C21D8/1255 (EP,US); C21D8/1261 (EP,US); C21D9/46 (EP,US);
C22C38/001 (US); C22C38/002 (EP,US); C22C38/004 (EP,US);
C22C38/04 (US); C22C38/06 (EP,US); C22C38/12 (EP,US);
C22C38/16 (EP,US); C22C38/60 (KR); H01F1/147 (KR);
H01F1/14775 (EP,US); H01F3/02 (EP); H01F41/0233 (EP);
C21D1/26 (EP); C21D1/76 (EP); C21D2201/05 (EP,US);
C21D8/1272 (EP); C21D8/1294 (EP); C22C2202/02 (US) (-)
Former IPC [2023/35]C21D8/12, C22C38/00, C22C38/02, C22C38/60, H01F1/147, H01F27/245
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2023/35]
TitleGerman:WICKELKERN[2023/35]
English:WOUND CORE[2023/35]
French:NOYAU ENROULÉ[2023/35]
Entry into regional phase24.04.2023Translation filed 
19.05.2023National basic fee paid 
19.05.2023Search fee paid 
19.05.2023Designation fee(s) paid 
19.05.2023Examination fee paid 
Examination procedure19.05.2023Examination requested  [2023/35]
03.09.2024Amendment by applicant (claims and/or description)
03.09.2024Date on which the examining division has become responsible
Fees paidRenewal fee
23.10.2023Renewal fee patent year 03
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[I]JP2018148036  (NIPPON STEEL & SUMITOMO METAL CORP);
 [I]JP2018157142  (NIPPON STEEL & SUMITOMO METAL CORP);
 [A]EP3726543  (JFE STEEL CORP [JP])
International search[Y]JPH07268474  (KAWASAKI STEEL CO);
 [Y]JP2000114064  (SUMITOMO METAL IND);
 [Y]JP2018148036  (NIPPON STEEL & SUMITOMO METAL CORP)
by applicantJPH0689805
 JPH08134660
 JPH10183313
 JP2001192785
 JP2005240079
 JP2005286169
 JP2012052229
 AU2012337260
 JP6224468B
 JP2018148036
 JP2020179266
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.