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Extract from the Register of European Patents

EP About this file: EP3766847

EP3766847 - METHOD FOR PRODUCING A HOLLOW CORE FIBRE AND FOR PRODUCING A PREFORM FOR A HOLLOW CORE FIBRE [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  21.07.2023
Database last updated on 06.07.2024
FormerRequest for examination was made
Status updated on  25.06.2021
FormerThe application has been published
Status updated on  18.12.2020
Most recent event   Tooltip04.12.2023New entry: Reply to examination report 
Applicant(s)For all designated states
Heraeus Quarzglas GmbH & Co. KG
Heraeusstrasse 12-14
63450 Hanau / DE
[2022/44]
Former [2021/03]For all designated states
Heraeus Quarzglas GmbH & Co. KG
Quarzstrasse 8
63450 Hanau / DE
Inventor(s)01 / ROSENBERGER, Manuel
c/o Heraeus Quarzglas GmbH & Co. KG
Quarzstraße 8
63450 Hanau / DE
02 / EHRENTRAUT, Enrico
c/o Heraeus Quarzglas GmbH & Co. KG
Quarzstraße 8
63450 Hanau / DE
03 / REIS, Benjamin
c/o Heraeus Quarzglas GmbH & Co. KG
Quarzstraße 8
63450 Hanau / DE
04 / TANSEL, Yusuf
c/o Heraeus Quarzglas GmbH & Co. KG
Quarzstraße 8
63450 Hanau / DE
05 / KOSTKA, David
c/o Heraeus Quarzglas GmbH & Co. KG
Quarzstraße 8
63450 Hanau / DE
06 / SATTMANN, Ralph
c/o Heraeus Quarzglas GmbH & Co. KG
Quarzstraße 8
63450 Hanau / DE
07 / VYDRA, Jan
c/o Heraeus Quarzglas GmbH & Co. KG
Quarzstraße 8
63450 Hanau / DE
 [2021/03]
Representative(s)Staudt, Armin Walter
Sandeldamm 24a
63450 Hanau / DE
[2021/03]
Application number, filing date19186768.817.07.2019
[2021/03]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP3766847
Date:20.01.2021
Language:DE
[2021/03]
Search report(s)(Supplementary) European search report - dispatched on:EP24.01.2020
ClassificationIPC:C03B37/012, C03B37/027
[2021/03]
CPC:
C03B37/0122 (EP,CN,US); C03B37/02781 (EP,CN,US); C03B37/01234 (EP,CN,US);
C03B2203/14 (EP,CN); C03B2203/16 (EP,CN,US); C03B2203/42 (EP,CN,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 [2021/30]
Former [2021/03]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 
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINER HOHLKERNFASER UND ZUR HERSTELLUNG EINER VORFORM FÜR EINE HOHLKERNFASER[2021/03]
English:METHOD FOR PRODUCING A HOLLOW CORE FIBRE AND FOR PRODUCING A PREFORM FOR A HOLLOW CORE FIBRE[2021/03]
French:PROCÉDÉ DE FABRICATION D'UNE FIBRE À COEUR CREUX ET DE FABRICATION D'UNE FIBRE À COEUR CREUX[2021/03]
Examination procedure23.06.2021Amendment by applicant (claims and/or description)
23.06.2021Examination requested  [2021/30]
23.06.2021Date on which the examining division has become responsible
25.07.2023Despatch of a communication from the examining division (Time limit: M04)
04.12.2023Reply to a communication from the examining division
Fees paidRenewal fee
26.07.2021Renewal fee patent year 03
27.07.2022Renewal fee patent year 04
26.07.2023Renewal fee patent year 05
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Documents cited:Search[Y]US2005226578  (MANGAN BRIAN J [GB], et al) [Y] 12* paragraphs [0018] , [0026] , [0027]; claims 16,17 *;
 [AD]EP3136143  (MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WSS E V [DE]) [AD] 10 * paragraphs [0064] - [0066]; figure 6 *;
    [XAYI] - A F KOSOLAPOV ET AL, "Hollow-core revolver fibre with a double-capillary reflective cladding", QUANTUM ELECTRONICS., GB, (20160329), vol. 46, no. 3, doi:10.1070/QEL15972, ISSN 1063-7818, pages 267 - 270, XP055502520 [X] 1-4,8,11,13 * page 268 * [A] 5-7 [Y] 12 [I] 9,10

DOI:   http://dx.doi.org/10.1070/QEL15972
by applicantDE102004054392
 EP3136143
 WO2018169487
    - FRANCESCO POLETTI, "Nested antiresonant nodeless hollow core fiber", Optics Express, (20140000), vol. 22, no. 20, doi:doi:10.1364/OE.22.023807, XP055221870

DOI:   http://dx.doi.org/10.1364/OE.22.023807
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.