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Extract from the Register of European Patents

EP About this file: EP3999779

EP3999779 - CONSTANT-VOLUME TURBOMACHINE COMBUSTION CHAMBER [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  17.11.2023
Database last updated on 02.09.2024
FormerGrant of patent is intended
Status updated on  23.08.2023
FormerRequest for examination was made
Status updated on  22.04.2022
FormerThe international publication has been made
Status updated on  22.01.2021
Formerunknown
Status updated on  12.08.2020
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
SAFRAN AIRCRAFT ENGINES
2 boulevard du Général Martial Valin
75015 Paris / FR
[2022/21]
Inventor(s)01 / ESCURE, Didier René André
c/o Safran CEPI Rond-Point René Ravaud - Réau
77550 MOISSY-CRAMAYEL / FR
02 / TANTOT, Nicolas Jérôme Jean
c/o Safran CEPI Rond-Point René Ravaud - Réau
77550 MOISSY-CRAMAYEL / FR
 [2022/21]
Representative(s)Brevalex
Tour Trinity
1 B Place de la Défense
92400 Courbevoie / FR
[2023/51]
Former [2022/21]Brevalex
95, rue d'Amsterdam
75378 Paris Cedex 8 / FR
Application number, filing date20750326.908.07.2020
[2022/21]
WO2020FR51211
Priority number, dateFR2019000797015.07.2019         Original published format: FR 1907970
[2022/21]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report
No.:WO2021009439
Date:21.01.2021
Language:FR
[2021/03]
Type: A1 Application with search report 
No.:EP3999779
Date:25.05.2022
Language:FR
The application published by WIPO in one of the EPO official languages on 21.01.2021 takes the place of the publication of the European patent application.
[2022/21]
Type: B1 Patent specification 
No.:EP3999779
Date:20.12.2023
Language:FR
[2023/51]
Search report(s)International search report - published on:EP21.01.2021
ClassificationIPC:F23R7/00, F02C5/12
[2022/21]
CPC:
F23R7/00 (EP,CN,US); F02C5/12 (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 [2022/21]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:BRENNKAMMER EINER TURBOMASCHINE MIT KONSTANTEM VOLUMEN[2022/21]
English:CONSTANT-VOLUME TURBOMACHINE COMBUSTION CHAMBER[2022/21]
French:CHAMBRE DE COMBUSTION DE TURBOMACHINE A VOLUME CONSTANT[2022/21]
Entry into regional phase18.01.2022National basic fee paid 
18.01.2022Designation fee(s) paid 
18.01.2022Examination fee paid 
Examination procedure18.01.2022Examination requested  [2022/21]
18.01.2022Date on which the examining division has become responsible
13.04.2022Amendment by applicant (claims and/or description)
24.08.2023Communication of intention to grant the patent
09.11.2023Fee for grant paid
09.11.2023Fee for publishing/printing paid
09.11.2023Receipt of the translation of the claim(s)
Fees paidRenewal fee
21.07.2022Renewal fee patent year 03
20.07.2023Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
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  TooltipAT20.12.2023
CZ20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
IT20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
PL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SK20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
PT22.04.2024
[2024/36]
Former [2024/35]AT20.12.2023
CZ20.12.2023
EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RO20.12.2023
RS20.12.2023
SE20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/34]EE20.12.2023
ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SE20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/33]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SE20.12.2023
SM20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/32]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SE20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
IS20.04.2024
Former [2024/26]ES20.12.2023
FI20.12.2023
HR20.12.2023
LT20.12.2023
LV20.12.2023
NL20.12.2023
RS20.12.2023
SE20.12.2023
BG20.03.2024
NO20.03.2024
GR21.03.2024
Former [2024/21]FI20.12.2023
LT20.12.2023
BG20.03.2024
GR21.03.2024
Former [2024/20]GR21.03.2024
Cited inInternational search[X]US2579321  (GUERCKEN NINA K) [X] 1,5,6,8-10 * column 3, line 44 - column 4, line 18; figure - *;
 [A]US2898736  (ELY ROBERT F) [A] 1,6 * the whole document *;
 [I]US2928242  (EMMERICH GUENTHER) [I] 1-7 * column 3, lines 1-48; figures 1-3 *;
 [I]GB1222272  (RENAULT [FR], et al) [I] 1-4,6 * page 1, line 80 - page 2, line 46; figures 1-3 *;
 [A]US4570438  (LORENZ EDMUND [AT]) [A] 1,6 * the whole document *;
 [A]US2018356093  (PAL SIBTOSH [US], et al) [A] 1,6* the whole document *
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.