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Extract from the Register of European Patents

EP About this file: EP3221873

EP3221873 - SYSTEM FOR PROTETION OF DRY TYPE TRANSFORMERS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.08.2024
Database last updated on 01.01.2025
FormerThe patent has been granted
Status updated on  15.09.2023
FormerGrant of patent is intended
Status updated on  08.05.2023
FormerExamination is in progress
Status updated on  05.10.2019
FormerRequest for examination was made
Status updated on  25.08.2017
FormerThe international publication has been made
Status updated on  21.11.2016
Most recent event   Tooltip01.11.2024Lapse of the patent in a contracting state
New state(s): SI
published on 04.12.2024  [2024/49]
Applicant(s)For all designated states
Hitachi Energy Ltd
Brown-Boveri-Strasse 5
8050 Zürich / CH
[2023/50]
Former [2022/03]For all designated states
Hitachi Energy Switzerland AG
Bruggerstrasse 72
5400 Baden / CH
Former [2020/32]For all designated states
ABB Power Grids Switzerland AG
Bruggerstrasse 72
5400 Baden / CH
Former [2017/39]For all designated states
ABB Schweiz AG
Brown Boveri Strasse 6
5400 Baden / CH
Inventor(s)01 / LINDELL, Elisabeth
Karlfeldtsgatan 13A
722 22 Västerås / SE
02 / LILJESTRAND, Lars
Björnramsvägen 12
722 42 Västerås / SE
03 / GREUTER, Felix
Im Bettliacher 8
5406 Baden-Rütihof / CH
 [2023/42]
Former [2017/39]01 / LINDELL, Elisabeth
Karlfeldtsgatan 13A
S-722 22 Västerås / SE
02 / LILJESTRAND, Lars
Björnramsvägen 12
S-722 42 Västerås / SE
03 / GREUTER, Felix
Im Bettliacher 8
CH-5406 Baden-Rütihof / CH
Representative(s)Valea AB
Box 7086
103 87 Stockholm / SE
[2023/42]
Former [2017/39]Savela, Reino Aleksi
ABB AB
Intellectual Property
Forskargränd 7
721 78 Västerås / SE
Application number, filing date15797328.019.11.2015
[2017/39]
WO2015EP77061
Priority number, dateUS20141455039421.11.2014         Original published format: US201414550394
[2017/39]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2016079224
Date:26.05.2016
Language:EN
[2016/21]
Type: A1 Application with search report 
No.:EP3221873
Date:27.09.2017
Language:EN
The application published by WIPO in one of the EPO official languages on 26.05.2016 takes the place of the publication of the European patent application.
[2017/39]
Type: B1 Patent specification 
No.:EP3221873
Date:18.10.2023
Language:EN
[2023/42]
Type: B9 Corrected patent specification 
No.:EP3221873
Date:24.04.2024
[2024/17]
Search report(s)International search report - published on:EP26.05.2016
ClassificationIPC:H01F27/34, H01F27/40
[2017/39]
CPC:
H01F27/343 (EP,CN,KR,US); H02H9/005 (EP,CN,KR,US); H01F27/40 (EP,CN,KR,US);
H02H9/04 (CN,KR,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 [2017/39]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:SYSTEM ZUM SCHUTZ VON TROCKENTRANSFORMATOREN[2017/39]
English:SYSTEM FOR PROTETION OF DRY TYPE TRANSFORMERS[2017/39]
French:SYSTÈME DE PROTECTION DE TRANSFORMATEURS DE TYPE SEC[2017/39]
Entry into regional phase21.06.2017National basic fee paid 
21.06.2017Designation fee(s) paid 
21.06.2017Examination fee paid 
Examination procedure19.09.2016Request for preliminary examination filed
International Preliminary Examining Authority: EP
17.05.2017Date on which the examining division has become responsible
21.06.2017Examination requested  [2017/39]
10.11.2017Amendment by applicant (claims and/or description)
09.10.2019Despatch of a communication from the examining division (Time limit: M06)
20.04.2020Reply to a communication from the examining division
23.12.2021Despatch of a communication from the examining division (Time limit: M04)
28.01.2022Reply to a communication from the examining division
09.05.2023Communication of intention to grant the patent
07.09.2023Fee for grant paid
07.09.2023Fee for publishing/printing paid
07.09.2023Receipt of the translation of the claim(s)
Divisional application(s)EP23203847.1  / EP4290539
Opposition(s)19.07.2024No opposition filed within time limit [2024/39]
Fees paidRenewal fee
30.11.2017Renewal fee patent year 03
30.11.2018Renewal fee patent year 04
26.11.2019Renewal fee patent year 05
20.11.2020Renewal fee patent year 06
24.11.2021Renewal fee patent year 07
24.11.2022Renewal fee patent year 08
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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.
Lapses during opposition  TooltipAT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
MC18.10.2023
NL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SI18.10.2023
SK18.10.2023
SM18.10.2023
IE19.11.2023
LU19.11.2023
BE30.11.2023
CH30.11.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
[2024/49]
Former [2024/47]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
MC18.10.2023
NL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SK18.10.2023
SM18.10.2023
IE19.11.2023
LU19.11.2023
BE30.11.2023
CH30.11.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/46]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
MC18.10.2023
NL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SK18.10.2023
SM18.10.2023
IE19.11.2023
LU19.11.2023
CH30.11.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/40]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
MC18.10.2023
NL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SK18.10.2023
SM18.10.2023
LU19.11.2023
CH30.11.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/36]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SK18.10.2023
SM18.10.2023
LU19.11.2023
CH30.11.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/35]AT18.10.2023
CZ18.10.2023
DK18.10.2023
EE18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
RO18.10.2023
RS18.10.2023
SE18.10.2023
SM18.10.2023
LU19.11.2023
CH30.11.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/34]AT18.10.2023
DK18.10.2023
EE18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
RS18.10.2023
SE18.10.2023
SM18.10.2023
LU19.11.2023
CH30.11.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/33]AT18.10.2023
DK18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
RS18.10.2023
SE18.10.2023
SM18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/26]AT18.10.2023
HR18.10.2023
LT18.10.2023
LV18.10.2023
NL18.10.2023
RS18.10.2023
SE18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/24]AT18.10.2023
HR18.10.2023
LT18.10.2023
NL18.10.2023
RS18.10.2023
SE18.10.2023
BG18.01.2024
NO18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/23]AT18.10.2023
LT18.10.2023
NL18.10.2023
BG18.01.2024
GR19.01.2024
IS18.02.2024
PT19.02.2024
Former [2024/21]LT18.10.2023
NL18.10.2023
BG18.01.2024
GR19.01.2024
IS18.02.2024
Former [2024/20]NL18.10.2023
GR19.01.2024
IS18.02.2024
Former [2024/17]NL18.10.2023
Cited inInternational search[A]JPS5680109  (TOKYO SHIBAURA ELECTRIC CO) [A] 1-27 * abstract *;
 [XAYI]EP0078985  (GEN ELECTRIC [US]) [X] 1-3,20,22,26 * abstract * * page 2, line 20 - page 11, line 33 * * figures 1-4 * [A] 4,5,10,17-19 [Y] 9,11-16 [I] 6-8,21,23-25,27;
 [A]JPS61107709  (TOSHIBA CORP) [A] 1-27 * abstract *;
 [YA]US2014035710  (BONMANN DIETRICH [DE], et al) [Y] 9,11-16 * abstract * * page 1, paragraphs 5,7,8 * * page 2, paragraph 20 * * page 3, paragraphs 25-31 * * figures 1,2 * [A] 10,17-19;
 [A]EP2747098  (ABB RESEARCH LTD [CH]) [A] 1-27 * abstract * * page 2, paragraph 2 - page 3, paragraph 15 ** page 6, paragraph 49 - page 7, paragraph 55; figures 9,10 *
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.