blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP3954869

EP3954869 - COATING FOR A BLADE ROOT/DISK INTERFACE AND COATED BLADE ROOT/DISK INTERFACE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.08.2024
Database last updated on 21.01.2025
FormerThe patent has been granted
Status updated on  08.09.2023
FormerGrant of patent is intended
Status updated on  23.04.2023
FormerRequest for examination was made
Status updated on  19.08.2022
FormerThe application has been published
Status updated on  14.01.2022
Most recent event   Tooltip01.11.2024Lapse of the patent in a contracting state
New state(s): SI
published on 04.12.2024  [2024/49]
Applicant(s)For all designated states
RTX Corporation
10 Farm Springs Road
Farmington, CT 06032 / US
[2023/44]
Former [2022/07]For all designated states
Raytheon Technologies Corporation
10 Farm Springs Road
Farmington, CT 06032 / US
Inventor(s)01 / STOYANOV, Pantcho P.
West Hartford, 06119 / US
02 / HARRINGTON, Kelly M.
Wethersfield, 06109 / US
03 / KASPROW, Thomas D.
Glastonbury, 06033 / US
 [2022/07]
Representative(s)Dehns
10 Old Bailey
London EC4M 7NG / GB
[N/P]
Former [2022/07]Dehns
St. Bride's House
10 Salisbury Square
London EC4Y 8JD / GB
Application number, filing date21191546.716.08.2021
[2022/07]
Priority number, dateUS20201699332614.08.2020         Original published format: US202016993326
[2022/07]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3954869
Date:16.02.2022
Language:EN
[2022/07]
Type: B1 Patent specification 
No.:EP3954869
Date:11.10.2023
Language:EN
[2023/41]
Search report(s)(Supplementary) European search report - dispatched on:EP13.01.2022
ClassificationIPC:F01D5/30, // C22C9/01, C01G39/06
[2022/07]
CPC:
F01D5/3092 (EP,US); B22F1/105 (EP); B22F5/04 (EP);
B22F7/08 (EP); C22C9/01 (EP); C23C30/00 (EP);
C23C4/04 (EP); C23C4/06 (EP); C23C4/067 (EP);
C23C4/12 (EP); C23C4/129 (EP); C23C4/134 (EP);
F01D5/288 (US); B22F2999/00 (EP); F05D2260/98 (US);
F05D2300/131 (EP); F05D2300/172 (EP); F05D2300/1723 (EP);
F05D2300/224 (EP); F05D2300/2282 (EP); F05D2300/2291 (EP);
F05D2300/509 (EP); F05D2300/518 (EP); F05D2300/6032 (EP);
F05D2300/611 (US) (-)
C-Set:
B22F2999/00, B22F5/04, B22F2003/242 (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 [2022/38]
Former [2022/07]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:BESCHICHTUNG FÜR EINE SCHAUFELFUSS/SCHEIBE-SCHNITTSTELLE UND ZUGEHÖRIGE SCHAUFELFUSS/SCHEIBE-SCHNITTSTELLE[2022/07]
English:COATING FOR A BLADE ROOT/DISK INTERFACE AND COATED BLADE ROOT/DISK INTERFACE[2022/07]
French:REVÊTEMENT POUR INTERFACE ENTRE PIED D'AUBE ET DISQUE ET INTERFACE REVÊTUE ENTRE PIED D'AUBE ET DISQUE[2022/07]
Examination procedure16.08.2022Examination requested  [2022/38]
16.08.2022Date on which the examining division has become responsible
06.09.2022Despatch of communication that the application is deemed to be withdrawn, reason: reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report not received in time
16.11.2022Amendment by applicant (claims and/or description)
24.04.2023Communication of intention to grant the patent
04.09.2023Fee for grant paid
04.09.2023Fee for publishing/printing paid
04.09.2023Receipt of the translation of the claim(s)
Opposition(s)12.07.2024No opposition filed within time limit [2024/38]
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report/Supplementary European search report
16.11.2022Request for further processing filed
16.11.2022Full payment received (date of receipt of payment)
Request granted
24.11.2022Decision despatched
Fees paidRenewal fee
22.08.2023Renewal 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  TooltipAT11.10.2023
CZ11.10.2023
DK11.10.2023
EE11.10.2023
ES11.10.2023
HR11.10.2023
IT11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RO11.10.2023
RS11.10.2023
SE11.10.2023
SI11.10.2023
SK11.10.2023
SM11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
[2024/49]
Former [2024/36]AT11.10.2023
CZ11.10.2023
DK11.10.2023
EE11.10.2023
ES11.10.2023
HR11.10.2023
IT11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RO11.10.2023
RS11.10.2023
SE11.10.2023
SK11.10.2023
SM11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/35]AT11.10.2023
CZ11.10.2023
DK11.10.2023
EE11.10.2023
ES11.10.2023
HR11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RO11.10.2023
RS11.10.2023
SE11.10.2023
SM11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/33]AT11.10.2023
DK11.10.2023
ES11.10.2023
HR11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RS11.10.2023
SE11.10.2023
SM11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/27]AT11.10.2023
ES11.10.2023
HR11.10.2023
LT11.10.2023
LV11.10.2023
NL11.10.2023
PL11.10.2023
RS11.10.2023
SE11.10.2023
BG11.01.2024
NO11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/23]AT11.10.2023
ES11.10.2023
LT11.10.2023
NL11.10.2023
BG11.01.2024
GR12.01.2024
IS11.02.2024
PT12.02.2024
Former [2024/21]LT11.10.2023
NL11.10.2023
BG11.01.2024
GR12.01.2024
IS11.02.2024
Former [2024/20]NL11.10.2023
GR12.01.2024
IS11.02.2024
Former [2024/17]NL11.10.2023
Documents cited:Search[Y]EP0496503  (GEN ELECTRIC [US]) [Y] 1-12 * page 5, line 34 - line 52 * * figure - *;
 [XYI]US5302450  (RAO V DURGA N [US], et al) [X] 1-6,8,9 * column 2, line 6 - line 14 * * column 2, line 43 - line 50 * * column 5, line 27 - line 31 * * column 7, line 31 - line 34 * * column 7, line 46 * [Y] 10-12 [I] 7;
 [Y]WO9641068  (CA NAT RESEARCH COUNCIL [CA]) [Y] 1-12 * page 5, line 1 - line 8 ** figure - *;
 [X]WO2005068670  (ISHIKAWAJIMA HARIMA HEAVY IND [JP], et al) [X] 1,2,4-6,9-12 * paragraph [0078] * * paragraph [0088] - paragraph [0091] * * figures 12,13 *
ExaminationUS2006292398
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.