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Extract from the Register of European Patents

EP About this file: EP3753848

EP3753848 - ANTI-TORQUE ROTOR FOR A HELICOPTER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.06.2022
Database last updated on 15.06.2024
FormerThe patent has been granted
Status updated on  02.07.2021
FormerGrant of patent is intended
Status updated on  26.01.2021
FormerExamination is in progress
Status updated on  11.03.2020
Most recent event   Tooltip14.06.2024Lapse of the patent in a contracting state
New state(s): TR		published on 17.07.2024 [2024/29]
Applicant(s)For all designated states
LEONARDO S.p.A.
Piazza Monte Grappa 4
00195 Roma / IT
[2020/52]
Inventor(s)01 / DELLI PAOLI, Michele
c/o LEONARDO S.p.A.,
Divisione Elicotteri
Via Giovanni Agusta, 520
Frazione Cascina Costa
21017 Samarate (VA) / IT
02 / NANNONI, Fabio
c/o LEONARDO S.p.A.
Divisione Elicotteri
Via Giovanni Agusta, 520
Frazione Cascina Costa
21017 Samarate (VA) / IT
03 / VANNI, Roberto
c/o LEONARDO S.p.A.
Divisione Elicotteri
Via Giovanni Agusta, 520
Frazione Cascina Costa
21017 Samarate (VA) / IT
 [2020/52]
Representative(s)Di Sciuva, Michele, et al
Studio Torta S.p.A.
Via Viotti, 9
10121 Torino / IT
[2020/52]
Application number, filing date19180445.917.06.2019
[2020/52]
Filing languageIT
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3753848
Date:23.12.2020
Language:EN
[2020/52]
Type: B1 Patent specification 
No.:EP3753848
Date:04.08.2021
Language:EN
[2021/31]
Search report(s)(Supplementary) European search report - dispatched on:EP06.12.2019
ClassificationIPC:B64C27/78, B64C27/82, // B64C27/12
[2020/52]
CPC:
B64C27/78 (EP,KR,US); B64C27/12 (EP,KR,US); B64C27/82 (EP,KR,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 [2020/52]
TitleGerman:DREHMOMENTAUSGLEICHSROTOR FÜR EINEN HUBSCHRAUBER[2020/52]
English:ANTI-TORQUE ROTOR FOR A HELICOPTER[2020/52]
French:ROTOR ANTICOUPLE POUR HÉLICOPTÈRE[2020/52]
Examination procedure18.12.2019Amendment by applicant (claims and/or description)
18.12.2019Examination requested  [2020/52]
18.12.2019Date on which the examining division has become responsible
16.03.2020Despatch of a communication from the examining division (Time limit: M04)
19.03.2020Reply to a communication from the examining division
27.01.2021Communication of intention to grant the patent
24.05.2021Fee for grant paid
24.05.2021Fee for publishing/printing paid
24.05.2021Receipt of the translation of the claim(s)
Divisional application(s)EP19219982.6  / EP3753849
Opposition(s)06.05.2022No opposition filed within time limit [2022/28]
Fees paidRenewal fee
28.06.2021Renewal fee patent year 03
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  TooltipHU17.06.2019
AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
MK04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
TR04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
[2024/29]
Former [2024/25]HU17.06.2019
AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
MK04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2024/23]AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
MK04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2024/20]AL04.08.2021
AT04.08.2021
CY04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2023/08]AL04.08.2021
AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
MC04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/29]AL04.08.2021
AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/25]AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
SM04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/24]AT04.08.2021
CZ04.08.2021
DK04.08.2021
EE04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RO04.08.2021
RS04.08.2021
SE04.08.2021
SK04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/21]AT04.08.2021
DK04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RS04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/16]AT04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
NL04.08.2021
PL04.08.2021
RS04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/10]AT04.08.2021
ES04.08.2021
FI04.08.2021
HR04.08.2021
LT04.08.2021
LV04.08.2021
PL04.08.2021
RS04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
GR05.11.2021
IS04.12.2021
PT06.12.2021
Former [2022/09]AT04.08.2021
ES04.08.2021
FI04.08.2021
LT04.08.2021
RS04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
PT06.12.2021
Former [2022/08]AT04.08.2021
ES04.08.2021
FI04.08.2021
LT04.08.2021
SE04.08.2021
BG04.11.2021
NO04.11.2021
Former [2022/07]AT04.08.2021
LT04.08.2021
NO04.11.2021
Documents cited:Search[A]US2490784  (DAVENPORT CHARLES C);
 [A]US4063786  (RALL MARCUS E);
 [A]WO9302916  (BOEING CO [US]);
 [YA]US5407386  (KISH JULES G [US], et al);
 [XAYI]EP2982604  (AGUSTAWESTLAND SPA [IT])
by applicantUS9359073
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.