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Extract from the Register of European Patents

EP About this file: EP2738351

EP2738351 - Rotor blade with tear-drop shaped part-span shroud [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  17.07.2020
Database last updated on 11.09.2024
FormerExamination is in progress
Status updated on  21.12.2016
Most recent event   Tooltip17.07.2020Refusal of applicationpublished on 19.08.2020  [2020/34]
Applicant(s)For all designated states
General Electric Company
1 River Road
Schenectady, NY 12345 / US
[N/P]
Former [2014/23]For all designated states
General Electric Company
1 River Road
Schenectady, New York 12345 / US
Inventor(s)01 / Chouhan, Rohit
John F. Welch Technology Centre Pvt. Ltd.
Plott 122, EPIP, Phase II
Hoodi Village
Whitefield Road
560066 Bangalore / IN
 [2014/23]
Representative(s)Openshaw & Co.
8 Castle Street
Farnham, Surrey GU9 7HR / GB
[N/P]
Former [2014/23]Cleary, Fidelma, et al
GPO Europe
GE International Inc. The Ark
201 Talgarth Road
Hammersmith
London W6 8BJ / GB
Application number, filing date13193148.715.11.2013
[2014/23]
Priority number, dateUS20121369147830.11.2012         Original published format: US201213691478
[2014/23]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP2738351
Date:04.06.2014
Language:EN
[2014/23]
Search report(s)(Supplementary) European search report - dispatched on:EP18.03.2014
ClassificationIPC:F01D5/22
[2014/23]
CPC:
F01D5/22 (EP,US); F01D5/225 (US); F05D2250/74 (EP,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 [2014/23]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:Rotorschaufel mit einem Tränenförmig geformten Dämpfer in einer Teilhöhe des Schaufelblatts[2014/23]
English:Rotor blade with tear-drop shaped part-span shroud[2014/23]
French:Aube de turbine avec amortisseur de vibrations en forme de goutte d'eau localisé sur la hauteur de l'aube[2014/23]
Examination procedure02.12.2014Amendment by applicant (claims and/or description)
04.12.2014Examination requested  [2015/03]
19.08.2016Despatch of a communication from the examining division (Time limit: M04)
20.12.2016Reply to a communication from the examining division
22.03.2018Despatch of a communication from the examining division (Time limit: M04)
05.07.2018Reply to a communication from the examining division
12.11.2019Application refused, date of legal effect [2020/34]
12.11.2019Date of oral proceedings
12.12.2019Minutes of oral proceedings despatched
08.01.2020Despatch of communication that the application is refused, reason: substantive examination [2020/34]
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  19.08.2016
Fees paidRenewal fee
30.11.2015Renewal fee patent year 03
30.11.2016Renewal fee patent year 04
30.11.2017Renewal fee patent year 05
30.11.2018Renewal fee patent year 06
Penalty fee
Additional fee for renewal fee
30.11.201907   M06   Not yet paid
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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.
Documents cited:Search[Y]US5257908  (ORTOLANO RALPH J [US]) [Y] 8,9 * column 1, line 5 - line 9; figure 2 *;
 [YD]US5695323  (PFEIFER NATHAN R [US], et al) [YD] 8* column 1, line 5 - line 10 *;
 [XY]US2011158810  (SHIBUKAWA NAOKI [JP], et al) [X] 1-3,7,8,10,11,15 * paragraphs [0002] - [0045] - [0047] - [0062] , [0073] - [0077]; figures 1,2,6,7,11,12 * [Y] 4-6,9,12-14;
 [XY]US8105038  (OOTOMO FUMIO [JP], et al) [X] 1,7,8,10,11,15 * column 1, line 15 - line 20; figures 5-8,12,15,16 * [Y] 4-6,9,12-14
by applicantUS5695323
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.