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Extract from the Register of European Patents

EP About this file: EP0392664

EP0392664 - Cooled turbine blade and combined cycle power plant having gas turbine with this cooled turbine blade [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.01.1996
Database last updated on 21.05.2024
Most recent event   Tooltip12.01.1996No opposition filed within time limitpublished on 28.02.1996 [1996/09]
Applicant(s)For all designated states
Kabushiki Kaisha Toshiba
72, Horikawa-cho, Saiwai-ku Kawasaki-shi
Kanagawa-ken 210-8572 / JP
[N/P]
Former [1990/42]For all designated states
KABUSHIKI KAISHA TOSHIBA
72, Horikawa-cho, Saiwai-ku
Kawasaki-shi, Kanagawa-ken 210, Tokyo / JP
Inventor(s)01 / Ohtomo, Fumio, c/o Intellectual Property Division
Kabushiki Kaisha Toshiba, 1-1 Shibaura 1-chome
Minato-ku, Tokyo 105 / JP
02 / Araki, Tatsuo, c/o Intellectual Property Division
Kabushiki Kaisha Toshiba, 1-1 Shibaura 1-chome
Minato-ku, Tokyo 105 / JP
03 / Matsuura, Asako, c/o Intellectual Property Div.
Kabushiki Kaisha Toshiba, 1-1 Shibaura 1-chome
Minato-ku, Tokyo 105 / JP
04 / Tsukumo, Yoshiaki, c/o Intellectual Property Div.
Kabushiki Kaisha Toshiba, 1-1 Shibaura 1-chome
Minato-ku, Tokyo 105 / JP
[1990/42]
Representative(s)Freed, Arthur Woolf, et al
Marks & Clerk Incorporating Edward Evans Barker 90 Long Acre
London WC2E 9RA / GB
[N/P]
Former [1990/42]Freed, Arthur Woolf, et al
MARKS & CLERK, 57-60 Lincoln's Inn Fields
London WC2A 3LS / GB
Application number, filing date90302665.613.03.1990
[1990/42]
Priority number, dateJP1989005783113.03.1989         Original published format: JP 5783189
[1990/42]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0392664
Date:17.10.1990
Language:EN
[1990/42]
Type: A3 Search report 
No.:EP0392664
Date:19.12.1990
Language:EN
[1990/51]
Type: B1 Patent specification 
No.:EP0392664
Date:08.03.1995
Language:EN
[1995/10]
Search report(s)(Supplementary) European search report - dispatched on:EP29.10.1990
ClassificationIPC:F01D5/18, F02C7/16
[1990/42]
CPC:
F01D5/189 (EP,US); F02C7/16 (EP,US); F05D2240/81 (EP,US);
F05D2260/201 (EP,US); F05D2260/2322 (EP,US)
Designated contracting statesCH,   DE,   FR,   LI [1990/42]
TitleGerman:Gekühlte Turbinenschaufel und Kombinationskraftwerk mit einer Gasturbine, die solche Schaufeln hat[1990/42]
English:Cooled turbine blade and combined cycle power plant having gas turbine with this cooled turbine blade[1990/42]
French:Aube de turbine refroidi et installation à cycle combiné avec une turbine à gaz ayant une telle aube[1990/42]
Examination procedure26.03.1990Examination requested  [1990/42]
17.02.1992Despatch of a communication from the examining division (Time limit: M06)
24.06.1992Reply to a communication from the examining division
28.05.1993Despatch of a communication from the examining division (Time limit: M04)
21.09.1993Reply to a communication from the examining division
10.03.1994Despatch of communication of intention to grant (Approval: Yes)
25.05.1994Communication of intention to grant the patent
01.12.1994Fee for grant paid
01.12.1994Fee for publishing/printing paid
Opposition(s)09.12.1995No opposition filed within time limit [1996/09]
Request for further processing for:04.10.1994Request for further processing filed
30.09.1994Full payment received (date of receipt of payment)
Request granted
08.12.1994Decision despatched
Fees paidRenewal fee
13.03.1992Renewal fee patent year 03
09.03.1993Renewal fee patent year 04
09.03.1994Renewal fee patent year 05
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Documents cited:Search[A]JP60003404  ;
 [X]FR1404931  (BRISTOL SIDDELEY ENGINES LTD);
 [X]GB2054749  (WESTINGHOUSE ELECTRIC CORP);
 [A]GB2093923  (WESTINGHOUSE ELECTRIC CORP);
 [A]DE2065334  (GEN ELECTRIC);
 [A]FR2457965  (ROLLS ROYCE [GB]);
 [A]FR2174497  (OULD HAMMOU ABDELLAH [FR])
 [A]  - PATENT ABSTRACTS OF JAPAN, vol. 9, no. 117 (M-381)[1840], 22nd May 1985; & JP-A-60 003 404 (TOSHIBA) 09-01-1985, & JP60003404 A 00000000
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.