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Extract from the Register of European Patents

EP About this file: EP3852256

EP3852256 - A SELF-CALIBRATION METHOD FOR SELF-POWERED SINGLE CT CURRENT SENSOR [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  10.11.2023
Database last updated on 11.09.2024
FormerGrant of patent is intended
Status updated on  06.07.2023
FormerExamination is in progress
Status updated on  14.10.2022
FormerRequest for examination was made
Status updated on  18.06.2021
Most recent event   Tooltip02.08.2024Lapse of the patent in a contracting state
New state(s): IT, PL, PT, SK		published on 04.09.2024  [2024/36]
Applicant(s)For all designated states
Siemens Aktiengesellschaft
Werner-von-Siemens-Straße 1
80333 München / DE
[2021/29]
Inventor(s)01 / XU, Shou Qi
Zhao Chong Gong Lu 2588, Chong Gu, 6, No. 202
Shanghai, 201706 / CN
 [2021/29]
Representative(s)Horn Kleimann Waitzhofer Schmid-Dreyer Patent- und Rechtsanwälte PartG mbB
Theresienhöhe 12
80339 München / DE
[2023/50]
Former [2021/29]Horn Kleimann Waitzhofer Patentanwälte PartG mbB
Ganghoferstrasse 29a
80339 München / DE
Application number, filing date21151592.914.01.2021
[2021/29]
Priority number, dateCN2020103793814.01.2020         Original published format: CN202010037938
[2021/29]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3852256
Date:21.07.2021
Language:EN
[2021/29]
Type: B1 Patent specification 
No.:EP3852256
Date:13.12.2023
Language:EN
[2023/50]
Search report(s)(Supplementary) European search report - dispatched on:EP31.05.2021
ClassificationIPC:H02M1/00, G01R15/18, H01F38/32
[2021/29]
CPC:
H02M1/0009 (EP); G01R19/0092 (CN); G01R19/22 (US);
G01R15/18 (EP,CN); G01R35/005 (EP,US); H01F38/32 (EP);
H02M1/0006 (EP); H02M1/32 (US); H02M7/06 (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 [2022/08]
Former [2021/29]AL,  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 
TitleGerman:SELBSTKALIBRIERUNGSVERFAHREN FÜR SELBSTVERSORGENDEN EINZELSTROMWANDLER-STROMSENSOR[2023/27]
English:A SELF-CALIBRATION METHOD FOR SELF-POWERED SINGLE CT CURRENT SENSOR[2021/29]
French:CAPTEUR DE COURANT AUTO-ALIMENTÉ BASÉ SUR UN SEUL TRANSFORMATEUR DE COURANT[2021/29]
Former [2021/29]SELBSTKALIBRIERUNGSVERFAHREN FÜR SELBSTVERSORGTEN EINZELSTROMWANDLER-STROMSENSOR
Examination procedure14.01.2021Examination requested  [2021/29]
18.01.2022Amendment by applicant (claims and/or description)
17.10.2022Despatch of a communication from the examining division (Time limit: M06)
03.03.2023Reply to a communication from the examining division
07.07.2023Communication of intention to grant the patent
06.11.2023Fee for grant paid
06.11.2023Fee for publishing/printing paid
06.11.2023Receipt of the translation of the claim(s)
Fees paidRenewal fee
20.01.2023Renewal fee patent year 03
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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.
Lapses during opposition  TooltipAT13.12.2023
CZ13.12.2023
EE13.12.2023
ES13.12.2023
HR13.12.2023
IT13.12.2023
LT13.12.2023
LV13.12.2023
NL13.12.2023
PL13.12.2023
RO13.12.2023
RS13.12.2023
SE13.12.2023
SK13.12.2023
SM13.12.2023
BG13.03.2024
NO13.03.2024
GR14.03.2024
IS13.04.2024
PT15.04.2024
[2024/36]
Former [2024/35]AT13.12.2023
CZ13.12.2023
EE13.12.2023
ES13.12.2023
HR13.12.2023
LT13.12.2023
LV13.12.2023
NL13.12.2023
RO13.12.2023
RS13.12.2023
SE13.12.2023
SM13.12.2023
BG13.03.2024
NO13.03.2024
GR14.03.2024
IS13.04.2024
Former [2024/33]ES13.12.2023
HR13.12.2023
LT13.12.2023
LV13.12.2023
NL13.12.2023
RS13.12.2023
SE13.12.2023
SM13.12.2023
BG13.03.2024
NO13.03.2024
GR14.03.2024
IS13.04.2024
Former [2024/32]ES13.12.2023
HR13.12.2023
LT13.12.2023
LV13.12.2023
NL13.12.2023
RS13.12.2023
SE13.12.2023
BG13.03.2024
NO13.03.2024
GR14.03.2024
IS13.04.2024
Former [2024/27]ES13.12.2023
HR13.12.2023
LT13.12.2023
LV13.12.2023
NL13.12.2023
RS13.12.2023
SE13.12.2023
BG13.03.2024
NO13.03.2024
GR14.03.2024
Former [2024/21]LT13.12.2023
BG13.03.2024
GR14.03.2024
Former [2024/20]GR14.03.2024
Documents cited:Search[X]US5532918  (MAYRAND JAMES F [US], et al);
 [Y]US2011196629  (COUTELOU OLIVIER [FR], et al);
 [Y]US2013181723  (MAUDER ANTON [DE], et al);
 [YA]EP2960659  (EFORE OYJ [FI]);
 [YA]EP3023806  (SCHNEIDER ELECTRIC USA INC [US]);
 [YA]CN106093674  (UNIV XIAN SCI & TECHNOLOGY );
 [Y]US2017030952  (SHAMIR ADI [IL], et al)
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.