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Extract from the Register of European Patents

EP About this file: EP3871869

EP3871869 - BOX-SHAPED MONOLITHIC STRUCTURE IN COMPOSITE MATERIAL FOR FUSELAGES AND WINGS OF AIRCRAFT AND METHOD FOR MANUFACTURING SAID STRUCTURE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.08.2024
Database last updated on 26.03.2026
FormerThe patent has been granted
Status updated on  01.09.2023
FormerGrant of patent is intended
Status updated on  24.04.2023
FormerExamination is in progress
Status updated on  24.06.2022
FormerRequest for examination was made
Status updated on  04.03.2022
FormerThe application has been published
Status updated on  30.07.2021
Most recent event   Tooltip05.09.2025Lapse of the patent in a contracting state
New state(s): HU		published on 08.10.2025  [2025/41]
Applicant(s)For all designated states
LEONARDO S.p.A.
Piazza Monte Grappa 4
00195 Roma / IT
[2023/40]
Former [2021/35]For all designated states
LEONARDO S.p.A.
Piazza Monte Grappa 4
00195 Roma / IT
Inventor(s)01 / CORVAGLIA, Stefano Giuseppe
c/o LEONARDO S.p.A.
Divisione Aerostrutture
Strada Provinciale, 83 - Da Monteiasi a
Grottaglie
74023 Grottaglie (TA) / IT
02 / GALLO, Nicola
c/o LEONARDO S.p.A.
Divisione Aerostrutture
Strada Provinciale, 83 - Da Monteiasi a
Grottaglie
74023 Grottaglie (TA) / IT
03 / FUGGIANO, Danila
c/o LEONARDO S.p.A.
Divisione Aerostrutture
Strada Provinciale, 83 - Da Monteiasi a
Grottaglie
74023 Grottaglie (TA) / IT
 [2021/35]
Representative(s)Studio Torta S.p.A., et al
Via Viotti, 9
10121 Torino / IT
[N/P]
Former [2021/35]D'Angelo, Fabio, et al
Studio Torta S.p.A.
Via Viotti, 9
10121 Torino / IT
Application number, filing date21159778.626.02.2021
[2021/35]
Priority number, dateIT2020000397626.02.2020         Original published format: IT202000003976
[2021/35]
Filing languageIT
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3871869
Date:01.09.2021
Language:EN
[2021/35]
Type: B1 Patent specification 
No.:EP3871869
Date:04.10.2023
Language:EN
[2023/40]
Search report(s)(Supplementary) European search report - dispatched on:EP19.07.2021
ClassificationIPC:B29D99/00, B29C70/34, B29C33/38, B29C33/44
[2021/35]
CPC:
B29C70/342 (EP,CN); B64C5/02 (CN,US); B29C33/485 (EP);
B29C33/505 (EP); B29C70/446 (US); B29C70/54 (CN);
B29D24/004 (EP); B64C1/00 (EP,CN,US); B64C1/12 (US);
B64C3/185 (US); B64C3/24 (US); B64C3/26 (US);
B29K2063/00 (US); B29K2105/0872 (EP,US); B29L2031/3082 (EP);
B29L2031/3085 (EP,US); B64C2001/0072 (CN,US); Y02T50/40 (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 [2022/14]
Former [2021/35]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:KASTENFÖRMIGE MONOLITHISCHE STRUKTUR AUS VERBUNDWERKSTOFF FÜR RUMPF UND FLÜGEL VON FLUGZEUGEN UND VERFAHREN ZUR HERSTELLUNG DIESER STRUKTUR[2021/35]
English:BOX-SHAPED MONOLITHIC STRUCTURE IN COMPOSITE MATERIAL FOR FUSELAGES AND WINGS OF AIRCRAFT AND METHOD FOR MANUFACTURING SAID STRUCTURE[2021/35]
French:STRUCTURE MONOLITHIQUE EN FORME DE CAISSON EN MATERIAU COMPOSITE POUR FUSELAGES ET AILES D'AVIONS ET PROCEDE DE FABRICATION DE CETTE STRUCTURE[2021/35]
Examination procedure28.02.2022Amendment by applicant (claims and/or description)
28.02.2022Examination requested  [2022/14]
28.02.2022Date on which the examining division has become responsible
27.06.2022Despatch of a communication from the examining division (Time limit: M04)
04.11.2022Reply to a communication from the examining division
25.04.2023Communication of intention to grant the patent
24.08.2023Fee for grant paid
24.08.2023Fee for publishing/printing paid
24.08.2023Receipt of the translation of the claim(s)
Opposition(s)05.07.2024No opposition filed within time limit [2024/37]
Fees paidRenewal fee
20.02.2023Renewal fee patent year 03
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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  TooltipCY26.02.2021
HU26.02.2021
CZ04.10.2023
DK04.10.2023
EE04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
MC04.10.2023
RO04.10.2023
RS04.10.2023
SK04.10.2023
SM04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
IE26.02.2024
LU26.02.2024
BE29.02.2024
[2025/41]
Former [2025/37]CY26.02.2021
CZ04.10.2023
DK04.10.2023
EE04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
MC04.10.2023
RO04.10.2023
RS04.10.2023
SK04.10.2023
SM04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
IE26.02.2024
LU26.02.2024
BE29.02.2024
Former [2025/10]CZ04.10.2023
DK04.10.2023
EE04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
MC04.10.2023
RO04.10.2023
RS04.10.2023
SK04.10.2023
SM04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
IE26.02.2024
LU26.02.2024
BE29.02.2024
Former [2025/08]CZ04.10.2023
DK04.10.2023
EE04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
MC04.10.2023
RO04.10.2023
RS04.10.2023
SK04.10.2023
SM04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
LU26.02.2024
BE29.02.2024
Former [2024/47]CZ04.10.2023
DK04.10.2023
EE04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
MC04.10.2023
RO04.10.2023
RS04.10.2023
SK04.10.2023
SM04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
LU26.02.2024
Former [2024/45]CZ04.10.2023
DK04.10.2023
EE04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
MC04.10.2023
RO04.10.2023
RS04.10.2023
SK04.10.2023
SM04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/36]CZ04.10.2023
DK04.10.2023
EE04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
RO04.10.2023
RS04.10.2023
SK04.10.2023
SM04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/35]CZ04.10.2023
DK04.10.2023
EE04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
RO04.10.2023
RS04.10.2023
SM04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/33]DK04.10.2023
HR04.10.2023
LT04.10.2023
LV04.10.2023
RS04.10.2023
SM04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/27]HR04.10.2023
LT04.10.2023
LV04.10.2023
RS04.10.2023
BG04.01.2024
NO04.01.2024
GR05.01.2024
IS04.02.2024
PT05.02.2024
Former [2024/21]LT04.10.2023
BG04.01.2024
GR05.01.2024
IS04.02.2024
Former [2024/20]GR05.01.2024
IS04.02.2024
Documents cited:Search[XY] WO2014184814  (ALENIA AERMACCHI SPA et al.) [X] 9 * figures 1,15 * * claim 1 *[Y] 1-9
 [XY] EP0582160  (FINMECCANICA SPA et al.) [X] 9 * figures 1-12 * * claim 2 *[Y] 1-9
 [Y] US10391684  (MARGRAF JR THOMAS W et al.) [Y] 1-9 * figure 3 * * column 3, line 5 - column 6, line 42 *
 [Y] WO2012064441  (SPIRIT AEROSYS INC et al.) [Y] 1-9 * claims 1,19 *
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.