blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP4265778

EP4265778 - WIRE ROD AND STEEL WIRE FOR SPRING, SPRING, HAVING IMPROVED FATIGUE RESISTANCE AND NITRIFICATION PROPERTIES, AND METHODS FOR MANUFACTURING SAME [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  22.09.2023
Database last updated on 25.09.2024
FormerThe international publication has been made
Status updated on  25.06.2022
Most recent event   Tooltip23.02.2024Change: Validation statespublished on 27.03.2024  [2024/13]
23.02.2024Change - extension statespublished on 27.03.2024  [2024/13]
Applicant(s)For all designated states
POSCO Co., Ltd
6261, Donghaean-ro
Nam-gu
Pohang-si, Gyeongsangbuk-do 37859 / KR
[2023/43]
Inventor(s)01 / LEE, Junmo
Pohang-si, Gyeongsangbuk-do 37836 / KR
02 / CHOI, Seok-hwan
Pohang-si, Gyeongsangbuk-do 37904 / KR
03 / CHOI, Myungsoo
Pohang-si, Gyeongsangbuk-do 37669 / KR
 [2023/43]
Representative(s)Nederlandsch Octrooibureau
P.O. Box 29720
2502 LS The Hague / NL
[2023/43]
Application number, filing date21906897.018.11.2021
[2023/43]
WO2021KR16990
Priority number, dateKR2020017774917.12.2020         Original published format: KR 20200177749
[2023/43]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022131592
Date:23.06.2022
Language:KO
[2022/25]
Type: A1 Application with search report 
No.:EP4265778
Date:25.10.2023
Language:EN
[2023/43]
Search report(s)International search report - published on:KR23.06.2022
ClassificationIPC:C22C38/34, C22C38/24, C22C38/22, C21D9/52, C21D8/06, B21F3/02, B21F35/00, F16F1/04
[2023/43]
CPC:
C22C38/02 (EP); C22C38/34 (EP,KR,US); C21D9/525 (EP,US);
B21F3/02 (KR,US); B21F35/00 (KR); C21D1/18 (US);
C21D1/20 (EP); C21D1/25 (EP); C21D1/76 (EP);
C21D1/84 (US); C21D6/002 (EP,US); C21D6/005 (US);
C21D6/008 (EP,US); C21D7/13 (EP); C21D8/065 (EP,KR,US);
C21D9/02 (EP); C21D9/52 (KR); C22C38/001 (US);
C22C38/002 (US); C22C38/04 (EP,US); C22C38/06 (US);
C22C38/22 (EP,KR,US); C22C38/24 (EP,KR,US); F16F1/021 (EP);
F16F1/04 (EP,KR,US); C21D2211/001 (US); C21D2211/004 (EP);
C21D2211/008 (EP,KR); C21D2211/009 (EP,KR,US); C22C2202/02 (US) (-)
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 [2023/43]
TitleGerman:WALZDRAHT UND STAHLDRAHT FÜR FEDER, FEDER MIT VERBESSERTER ERMÜDUNGSBESTÄNDIGKEIT UND NITRIFIKATIONSEIGENSCHAFTEN SOWIE VERFAHREN ZUR HERSTELLUNG DAVON[2023/43]
English:WIRE ROD AND STEEL WIRE FOR SPRING, SPRING, HAVING IMPROVED FATIGUE RESISTANCE AND NITRIFICATION PROPERTIES, AND METHODS FOR MANUFACTURING SAME[2023/43]
French:FIL MACHINE ET FIL D'ACIER POUR RESSORT, RESSORT, AYANT DES PROPRIÉTÉS DE RÉSISTANCE À LA FATIGUE ET DE NITRIFICATION AMÉLIORÉES, ET LEURS PROCÉDÉS DE FABRICATION[2023/43]
Entry into regional phase13.06.2023Translation filed 
13.06.2023National basic fee paid 
13.06.2023Search fee paid 
13.06.2023Designation fee(s) paid 
13.06.2023Examination fee paid 
Examination procedure13.06.2023Examination requested  [2023/43]
Fees paidRenewal fee
16.11.2023Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational search[A]JP2004315968  (KOBE STEEL LTD, et al) [A] 1-15* See claims 1 and 6. *;
 [A]US2009283181  (SUDA SUMIE [JP], et al) [A] 1-15 * See claims 11 and 18. *;
 [Y]KR101096888B  (SUMITOMO(SEI)STEEL WIRE CORP) [Y] 7-10 * See claim 12. *;
 [XY]KR20120040728  (NIPPON STEEL CORP [JP]) [X] 1-6,11-15 * See paragraphs [0149], [0169], [0207], [0209]-[0210], [0248]-[0249] and [0271] and claims 1-2, 5, 8, 10, 12 and 14. * [Y] 7-10;
 [X]KR20180019212  (NIPPON STEEL & SUMITOMO METAL CORP [JP], et al) [X] 11 * See claim 1. *
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.