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Extract from the Register of European Patents

EP About this file: EP3715823

EP3715823 - METHOD FOR EVALUATION OF BRITTLE CRACK PROPAGATION-STOPPING PERFORMANCE IN THICK STEEL PLATE [Right-click to bookmark this link]
StatusGrant of patent is intended
Status updated on  10.06.2024
Database last updated on 03.09.2024
FormerExamination is in progress
Status updated on  12.08.2022
FormerRequest for examination was made
Status updated on  28.08.2020
FormerThe international publication has been made
Status updated on  01.06.2019
Most recent event   Tooltip30.08.2024New entry: Payment of fee for grant 
30.08.2024New entry: Payment of fee for publishing/printing 
Applicant(s)For all designated states
JFE Steel Corporation
2-3, Uchisaiwaicho 2-chome Chiyoda-ku
Tokyo 100-0011 / JP
[2020/40]
Inventor(s)01 / SAKIMOTO Takahiro
c/o Intellectual Property Dept.
JFE STEEL CORPORATION
2-3 Uchisaiwai-cho 2-chome
Chiyoda-ku
Tokyo 100-0011 / JP
02 / HANDA Tsunehisa
c/o Intellectual Property Dept.
JFE STEEL CORPORATION
2-3 Uchisaiwai-cho 2-chome
Chiyoda-ku
Tokyo 100-0011 / JP
 [2020/40]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
[2020/40]
Application number, filing date18880403.314.11.2018
[2020/40]
WO2018JP42085
Priority number, dateJP2017022418022.11.2017         Original published format: JP 2017224180
[2020/40]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2019102912
Date:31.05.2019
Language:JA
[2019/22]
Type: A1 Application with search report 
No.:EP3715823
Date:30.09.2020
Language:EN
[2020/40]
Search report(s)International search report - published on:JP31.05.2019
(Supplementary) European search report - dispatched on:EP22.12.2020
ClassificationIPC:G01N3/00, G01N3/18, G01N1/28, G01N3/02, C21D9/50
[2021/03]
CPC:
G01N3/02 (EP); G01N3/18 (EP,KR,US); G01N1/286 (EP);
G01N1/04 (EP); G01N1/44 (EP); G01N2203/0016 (KR);
G01N2203/0066 (KR) (-)
Former IPC [2020/40]G01N3/00, G01N3/18
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 [2020/40]
TitleGerman:VERFAHREN ZUR BEWERTUNG DER LEISTUNG ZUR VERHINDERUNG DER AUSBREITUNG SPRÖDER RISSE IN DICKEN STAHLPLATTEN[2020/40]
English:METHOD FOR EVALUATION OF BRITTLE CRACK PROPAGATION-STOPPING PERFORMANCE IN THICK STEEL PLATE[2020/40]
French:PROCÉDÉ D'ÉVALUATION DE PERFORMANCE D'ARRÊT DE PROPAGATION DE FISSURES FRAGILES DANS UNE PLAQUE D'ACIER ÉPAISSE[2020/40]
Entry into regional phase30.04.2020Translation filed 
30.04.2020National basic fee paid 
30.04.2020Search fee paid 
30.04.2020Designation fee(s) paid 
30.04.2020Examination fee paid 
Examination procedure30.04.2020Examination requested  [2020/40]
05.07.2021Amendment by applicant (claims and/or description)
16.08.2022Despatch of a communication from the examining division (Time limit: M04)
21.12.2022Reply to a communication from the examining division
11.09.2023Despatch of a communication from the examining division (Time limit: M04)
05.12.2023Reply to a communication from the examining division
11.06.2024Communication of intention to grant the patent
27.08.2024Fee for grant paid
27.08.2024Fee for publishing/printing paid
27.08.2024Receipt of the translation of the claim(s)
Fees paidRenewal fee
26.11.2020Renewal fee patent year 03
25.11.2021Renewal fee patent year 04
23.11.2022Renewal fee patent year 05
28.11.2023Renewal fee patent year 06
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Documents cited:Search[A]JPS63304135  (NIPPON STEEL CORP) [A] 1,2* paragraph [0003]; figure 1 *;
 [A]EP2018929  (JFE STEEL CORP [JP], et al) [A] 1,2 * paragraphs [0043] - [0052]; figure 3b *
International search[A]JPS63304135  (NIPPON STEEL CORP) [A] 1-2 * , *;
 [A]JPH05332896  (HITACHI LTD) [A] 1-2 * , *;
 [A]JP2002267581  (NUCLEAR FUEL IND LTD) [A] 1-2 * , *;
 [A]JP2017003377  (JFE STEEL CORP) [A] 1-2 * , *;
 [A]  - WIESNER et al., "INVESTIGATIONS INTO THE MECHANICS OF CRACK ARREST IN LARGE PLATES OF 1. 5% Ni TMCP STEEL", Fatigue and Fracture of Engineering Materials and Structures, (19940201), vol. 17, no. 2, pages 221 - 233, XP055692453 [A] 1-2

DOI:   http://dx.doi.org/10.1111/j.1460-2695.1994.tb00802.x
by applicantJP2017150067
    - WES, (20140000), vol. 2815
    - C. S. WIESNERB. HAYESS. D. SMITHA. A. WILLOUGHBY, "INVESTIGATIONS INTO THE MECHANICS OF CRACK ARREST IN. LARGE PLATES OF 1.5%Ni TMCP STEEL", Fatigue Fracture of Engineering Materials & Structures, (19940202), vol. 17, pages 221 - 233, XP055692453

DOI:   http://dx.doi.org/10.1111/j.1460-2695.1994.tb00802.x
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.