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Extract from the Register of European Patents

EP About this file: EP0358945

EP0358945 - Method of assembling wound rotor of vertical type adjustable speed hydroelectric rotating machine at its installation site [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.01.1995
Database last updated on 05.10.2024
Most recent event   Tooltip01.06.1995Lapse of the patent in a contracting statepublished on 19.07.1995 [1995/29]
Applicant(s)For all designated states
Hitachi, Ltd.
6, Kanda Surugadai 4-chome
Chiyoda-ku
Tokyo 101 / JP
[N/P]
Former [1990/12]For all designated states
HITACHI, LTD.
6, Kanda Surugadai 4-chome
Chiyoda-ku, Tokyo 101 / JP
Inventor(s)01 / Hakuta, Shinsaku
2-14, Higashi-cho 1-chome
Hitachi-shi Ibaraki 317 / JP
02 / Yasaka, Yasuhiro
4-5, Takasuzu-cho 5-chome
Hitachi-shi Ibaraki 317 / JP
03 / Nagura, Osamu
2-12-4, Ushirono
Katsuta-shi Ibaraki 312 / JP
04 / Tsuji, Eiji
1-1, Jyounan-cho 4-chome
Hitachi-shi Ibaraki 317 / JP
05 / Suzuki, Makoto
9-9, Kanesawa-cho 3-chome
Hitachi-shi Ibaraki 316 / JP
06 / Akagawa, Hirotaka
15-6, Nishi Narusawa-cho 4-chome
Hitachi-shi Ibaraki 316 / JP
[1990/12]
Representative(s)Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
[N/P]
Former [1990/12]Strehl Schübel-Hopf Groening & Partner
Maximilianstrasse 54
D-80538 München / DE
Application number, filing date89114667.208.08.1989
[1990/12]
Priority number, dateJP1988022870814.09.1988         Original published format: JP 22870888
[1990/12]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0358945
Date:21.03.1990
Language:EN
[1990/12]
Type: A3 Search report 
No.:EP0358945
Date:02.01.1992
Language:EN
[1992/01]
Type: B1 Patent specification 
No.:EP0358945
Date:09.03.1994
Language:EN
[1994/10]
Search report(s)(Supplementary) European search report - dispatched on:EP12.11.1991
ClassificationIPC:H02K15/00, H02K15/06
[1990/12]
CPC:
H02K15/063 (EP,US); H02K15/00 (EP,US); Y02E10/20 (EP,US);
Y10T29/49012 (EP,US)
Designated contracting statesDE,   FR,   SE [1990/12]
TitleGerman:Verfahren zum Zusammenbau eines bewickelten Läufers einer hydroelektrischen Drehmaschine vertikaler Bauart und verstellbarer Geschwindigkeit auf seinem Installationsort[1990/12]
English:Method of assembling wound rotor of vertical type adjustable speed hydroelectric rotating machine at its installation site[1990/12]
French:Méthode d'assemblage de rotor bobiné de machine rotative hydroélectrique du type vertical à vitesse ajustable sur son site d'installation[1990/12]
File destroyed:03.03.2001
Examination procedure12.12.1990Examination requested  [1991/06]
21.04.1993Despatch of communication of intention to grant (Approval: Yes)
09.09.1993Communication of intention to grant the patent
30.11.1993Fee for grant paid
30.11.1993Fee for publishing/printing paid
Opposition(s)10.12.1994No opposition filed within time limit [1995/09]
Fees paidRenewal fee
27.08.1991Renewal fee patent year 03
24.08.1992Renewal fee patent year 04
26.08.1993Renewal fee patent year 05
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Lapses during opposition  TooltipSE09.08.1994
[1995/29]
Documents cited:Search[A]JP54162103  ;
 [A]JP60210153  ;
 [A]US2157046  (WOOD ALEXANDER P)
 [A]  - HYDROTECHNICAL CONSTRUCTION vol. 16, no. 7, July 1982, U.S. pages 365 - 369; L.M.DANILOVA; YU.M.INYUSHIN: 'TECHNOLOGY OF INSTALLATION AND MAINTENANCE OF HYDROPOWER EQUIPMENT REDUCING THE COST OF THE POWERHOUSE'
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 4, no. 24 (E-173)29 February 1980 & JP-A-54 162 103 ( HITACHI ) 22 December 1979, & JP54162103 A 19791222
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 10, no. 58 (E-386)(2115) 7 March 1986 & JP-A-60 210 153 ( HITACHI ) 22 October 1985, & JP60210153 A 19851022
 [A]  - AEI ENGINEERING vol. 5, no. 4, July 1965, LONDON GB pages 199 - 201; E.ZAAL: 'A NEW MECHANICAL AID FOR WINDING STATORS OF LARGE TURBO-GENERATORS'
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.