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Extract from the Register of European Patents

EP About this file: EP3857572

EP3857572 - INTEGRATED SINGLE-SOURCED COOLING OF SUPERCONDUCTING MAGNETS AND RF COILS IN NUCLEAR MAGNETIC RESONANCE DEVICES [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.02.2026
Database last updated on 30.03.2026
FormerThe patent has been granted
Status updated on  21.03.2025
FormerGrant of patent is intended
Status updated on  20.11.2024
FormerRequest for examination was made
Status updated on  02.07.2021
FormerThe international publication has been made
Status updated on  05.04.2020
Most recent event   Tooltip27.02.2026No opposition filed within time limitpublished on 01.04.2026 [2026/14]
Applicant(s)For all designated states
Superconducting Systems, Inc.
37 Manning Road, Suite 3
Billerica, MA 01821 / US
[2025/18]
Former [2021/31]For all designated states
Pourrahimi, Shahin
1272 Beacon Street Unit 2
Brookline, MA 02446 / US
Inventor(s)01 / see applicant
...
 [2021/31]
Representative(s)AWA Sweden AB
Box 5117
200 71 Malmö / SE
[2025/17]
Former [2021/31]AWA Sweden AB
P.O. Box 5117
200 71 Malmö / SE
Application number, filing date19864624.223.09.2019
[2021/31]
WO2019US52513
Priority number, dateUS20181614046624.09.2018         Original published format: US201816140466
[2021/31]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020068708
Date:02.04.2020
Language:EN
[2020/14]
Type: A1 Application with search report 
No.:EP3857572
Date:04.08.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 02.04.2020 takes the place of the publication of the European patent application.
[2021/31]
Type: B1 Patent specification 
No.:EP3857572
Date:23.04.2025
Language:EN
[2025/17]
Type: B8 Corrected title page of specification 
No.:EP3857572
Date:04.06.2025
[2025/23]
Search report(s)International search report - published on:US02.04.2020
(Supplementary) European search report - dispatched on:EP27.01.2023
ClassificationIPC:G01R33/34, G01R33/38, F25B9/10, // G01R33/3815
[2023/09]
CPC:
G01R33/3403 (EP,US); G01R33/035 (CN); G01R33/20 (CN);
G01R33/3804 (EP,US); G01R33/3815 (EP,US); G01R33/46 (CN);
H01F6/00 (CN); H01F6/04 (CN); H01F6/06 (CN);
F25B9/10 (EP) (-)
Former IPC [2021/31]H01F6/06, H01F6/04, G01R33/035, G01R33/20, G01R33/46
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 [2021/31]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:INTEGRIERTE EINQUELLENKÜHLUNG VON SUPRALEITENDEN MAGNETEN UND HF-SPULEN IN KERNSPINTOMOGRAFIEVORRICHTUNGEN[2021/31]
English:INTEGRATED SINGLE-SOURCED COOLING OF SUPERCONDUCTING MAGNETS AND RF COILS IN NUCLEAR MAGNETIC RESONANCE DEVICES[2021/31]
French:REFROIDISSEMENT À SOURCE UNIQUE INTÉGRÉ D'AIMANTS SUPRACONDUCTEURS ET DE BOBINES RF DANS DES DISPOSITIFS DE RÉSONANCE MAGNÉTIQUE NUCLÉAIRE[2021/31]
Entry into regional phase19.03.2021National basic fee paid 
19.03.2021Search fee paid 
19.03.2021Designation fee(s) paid 
19.03.2021Examination fee paid 
Examination procedure13.02.2020Request for preliminary examination filed
International Preliminary Examining Authority: US
19.03.2021Examination requested  [2021/31]
16.11.2021Loss of particular rights, legal effect: Claims
07.12.2021Despatch of communication of loss of particular rights: Claims {1}
27.07.2023Amendment by applicant (claims and/or description)
21.11.2024Communication of intention to grant the patent
19.03.2025Fee for grant paid
19.03.2025Fee for publishing/printing paid
19.03.2025Receipt of the translation of the claim(s)
Opposition(s)26.01.2026No opposition filed within time limit [2026/14]
Fees paidRenewal fee
18.08.2021Renewal fee patent year 03
31.10.2022Renewal fee patent year 04
17.08.2023Renewal fee patent year 05
30.09.2024Renewal fee patent year 06
Penalty fee
Additional fee for renewal fee
30.09.202204   M06   Fee paid on   14.11.2022
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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  TooltipCZ23.04.2025
ES23.04.2025
HR23.04.2025
PL23.04.2025
SK23.04.2025
SM23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
IS23.08.2025
[2026/10]
Former [2026/09]CZ23.04.2025
ES23.04.2025
HR23.04.2025
PL23.04.2025
SM23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
IS23.08.2025
Former [2026/08]ES23.04.2025
HR23.04.2025
PL23.04.2025
SM23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
IS23.08.2025
Former [2025/49]ES23.04.2025
HR23.04.2025
PL23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
IS23.08.2025
Former [2025/48]ES23.04.2025
HR23.04.2025
PL23.04.2025
NO23.07.2025
RS23.07.2025
GR24.07.2025
Former [2025/47]ES23.04.2025
PL23.04.2025
NO23.07.2025
GR24.07.2025
Former [2025/46]ES23.04.2025
Documents cited:Search[A] US2012319690  (MA QIYUAN et al.) [A] 1-6 * paragraph [0011] - paragraph [0016]; figures 1A, 1B * * paragraph [0028] - paragraph [0035] *
 [A] US2013063148  (MA QIYUAN et al.) [A] 1-6 * paragraph [0008] - paragraph [0011] * * paragraph [0015] * * paragraph [0043] * * paragraph [0049] - paragraph [0059] *
 [A] US2005262851  (ATREY MILIND D et al.) [A] 1-6 * paragraph [0004] - paragraph [0020]; figures 1,3 *
International search[XY] US2005179512  (WEYERS DANIEL J et al.) [X] 16 * ; figure 1, paragraphs [0019], [0022]-[0032], [0035],[0037] *[Y] 3, 9, 15, 17-20
 [YA] US2018151280  (POURRAHIMI SHAHIN et al.) [Y] 1-6, 12-15, 17, 18 * ; figures 1, 3, paragraphs [0009]-[0011], [0014], [0017], [0018]-[0028], claim 17 *[A] 11
 [YA] US9170310  (MA QIYUAN et al.) [Y] 1-10, 12-15, 18-20 * ; figures 5A, 5B, 6, column 8, line 61-column 9, line 14, column 11, lines 11-46, column 12, line 35-column 13, line 54, claims 16, 17, 19, 20 *[A] 11
 [YA] US2012028805  (HOLLIS TIMOTHY JAMES et al.) [Y] 7-10, 12 * ; abstract, figures 2, 14, paragraphs [0021], [0029], [0073], [0074] *[A] 11
by applicantUS8275429
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.