Extract from the Register of European Patents

EP About this file: EP3901514

EP3901514 - SAFETY SWITCH AND STORAGE CONTROL METHOD [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  26.12.2025
Database last updated on 28.03.2026
FormerGrant of patent is intended
Status updated on  22.08.2025
FormerExamination is in progress
Status updated on  20.12.2024
FormerRequest for examination was made
Status updated on  25.03.2022
FormerThe application has been published
Status updated on  24.09.2021
Most recent event   Tooltip26.12.2025(Expected) grantpublished on 28.01.2026  [2026/05]
Applicant(s)For all designated states
Panasonic Intellectual Property Management Co., Ltd.
1-61, Shiromi 2-chome
Chuo-ku
Osaka-shi, Osaka 540-6207 / JP
[2021/43]
Inventor(s)01 / ITO, Koji
c/o Panasonic Intellectual Property Management
Co., Ltd.
1-61, Shiromi 2-chome
Chuo-ku, Osaka-shi
Osaka, 540-6207 / JP
 [2021/43]
Representative(s)SSM Sandmair
Patentanwälte Rechtsanwalt
Partnerschaft mbB
Joseph-Wild-Straße 20
81829 München / DE
[2021/43]
Application number, filing date21164582.524.03.2021
[2021/43]
Priority number, dateJP2020007780124.04.2020         Original published format: JP 2020077801
[2021/43]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3901514
Date:27.10.2021
Language:EN
[2021/43]
Type: B1 Patent specification 
No.:EP3901514
Date:28.01.2026
Language:EN
[2026/05]
Search report(s)(Supplementary) European search report - dispatched on:EP16.09.2021
ClassificationIPC:F16P3/08, E05B41/00, H01H9/16
[2021/43]
CPC:
F16P3/08 (EP,KR); H01H9/16 (CN); E05B47/0603 (US);
E05B41/00 (US); E05B47/0001 (KR); E05B47/0046 (KR);
F16P3/147 (EP); G06K19/07 (CN); G06K19/0723 (KR);
H02B1/24 (CN); H02B1/306 (CN); H02B1/32 (CN);
E05B2047/0067 (KR); E05Y2999/00 (KR); H03K2217/958 (EP) (-)
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 [2022/17]
Former [2021/43]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:SICHERHEITSSCHALTER UND SPEICHERSTEUERUNGSVERFAHREN[2021/43]
English:SAFETY SWITCH AND STORAGE CONTROL METHOD[2021/43]
French:INTERRUPTEUR DE SÉCURITÉ ET PROCÉDÉ DE CONTRÔLE DE STOCKAGE[2021/43]
Examination procedure16.03.2022Amendment by applicant (claims and/or description)
17.03.2022Examination requested  [2022/17]
17.03.2022Date on which the examining division has become responsible
20.12.2024Despatch of a communication from the examining division (Time limit: M06)
20.06.2025Reply to a communication from the examining division
22.08.2025Communication of intention to grant the patent
17.12.2025Fee for grant paid
17.12.2025Fee for publishing/printing paid
17.12.2025Receipt of the translation of the claim(s)
Fees paidRenewal fee
23.03.2023Renewal fee patent year 03
27.03.2024Renewal fee patent year 04
26.03.2025Renewal fee patent year 05
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Documents cited:Search[A] DE102018121445  (SICK AG et al.)
 [A] US2019316405  (KASHIMA HIROSHI et al.) [A] 1 * paragraph [0069] *
 [X] US6409083  (LINK WALTER et al.) [X] 1,4 * paragraph [0048]; figures 1-14 *
by applicantJP2019183542
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