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

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP4028194

EP4028194 - WIRE ELECTRODE FOR ELECTRICAL DISCHARGE CUTTING [Right-click to bookmark this link]
Former [2022/29]WIRE ELECTRODE FOR SPARK-EROSION CUTTING
[2024/34]
StatusThe patent has been granted
Status updated on  13.09.2024
Database last updated on 25.09.2024
FormerGrant of patent is intended
Status updated on  18.08.2024
FormerRequest for examination was made
Status updated on  17.06.2022
FormerThe international publication has been made
Status updated on  09.10.2021
Formerunknown
Status updated on  07.04.2021
Most recent event   Tooltip13.09.2024(Expected) grantpublished on 16.10.2024 [2024/42]
Applicant(s)For all designated states
Berkenhoff GmbH
Berkenhoffstrasse 14
35452 Heuchelheim / DE
[2022/29]
Inventor(s)01 / BARTHEL, Bernd
Am Blosenberg 30
35239 Steffenberg / DE
02 / FLÜGGE, Stefan
Brinkstrasse 20
58675 Hemer / DE
03 / NÖTHE, Tobias
Am Gerichtsköppel 12
35745 Herborn / DE
04 / ZUNKE, Ivo
Hinter der Ostanlage 5a
35390 Gie en / DE
 [2022/29]
Representative(s)Uexküll & Stolberg
Partnerschaft von
Patent- und Rechtsanwälten mbB
Beselerstraße 4
22607 Hamburg / DE
[2022/29]
Application number, filing date21714902.030.03.2021
[2022/29]
WO2021EP58275
Priority number, dateEP2020016731931.03.2020         Original published format: EP 20167319
[2022/29]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO2021198245
Date:07.10.2021
Language:DE
[2021/40]
Type: A1 Application with search report 
No.:EP4028194
Date:20.07.2022
Language:DE
The application published by WIPO in one of the EPO official languages on 07.10.2021 takes the place of the publication of the European patent application.
[2022/29]
Type: B1 Patent specification
No.:EP4028194
Date:16.10.2024
Language:DE
[2024/42]
Search report(s)International search report - published on:EP07.10.2021
ClassificationIPC:B23H7/08, C25D7/06
[2022/29]
CPC:
C25D5/50 (EP,KR); B23H7/08 (EP,KR,US); B23H7/24 (US);
C25D7/0607 (EP,KR)
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 [2022/29]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:DRAHTELEKTRODE ZUM FUNKENEROSIVEN SCHNEIDEN[2022/29]
English:WIRE ELECTRODE FOR ELECTRICAL DISCHARGE CUTTING[2024/34]
French:ÉLECTRODE FIL DESTINÉE À LA COUPE PAR ÉTINCELAGE[2024/34]
Former [2022/29]WIRE ELECTRODE FOR SPARK-EROSION CUTTING
Former [2022/29]ÉLECTRODE À FIL POUR DÉCOUPE PAR ÉLECTROÉROSION
Entry into regional phase12.04.2022National basic fee paid 
12.04.2022Designation fee(s) paid 
12.04.2022Examination fee paid 
Examination procedure12.04.2022Examination requested  [2022/29]
12.04.2022Date on which the examining division has become responsible
30.08.2023Observations by third parties
19.08.2024Communication of intention to grant the patent
03.09.2024Fee for grant paid
03.09.2024Fee for publishing/printing paid
03.09.2024Receipt of the translation of the claim(s)
Fees paidRenewal fee
27.02.2023Renewal fee patent year 03
22.03.2024Renewal fee patent year 04
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[AD]US5945010  (TOMALIN DANDRIDGE SALE [US]);
 [A]JP2002126949  (SUMITOMO METAL MINING CO, et al);
 [A]US2008179296  (LY MICHEL [FR], et al);
 [A]US2016151848  (TOMALIN DANDRIDGE [US])
by applicantUS5945010
 US6306523
 EP1295664
 EP1846189
 EP1949995
 US7723635
 EP2193867
 EP2517817
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.