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Extract from the Register of European Patents

EP About this file: EP1437788

EP1437788 - Stacked fuel cell and method for its maintenance [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  05.10.2007
Database last updated on 05.10.2024
Most recent event   Tooltip05.10.2007Application deemed to be withdrawnpublished on 07.11.2007  [2007/45]
Applicant(s)For all designated states
MITSUBISHI HEAVY INDUSTRIES, LTD.
16-5, Konan 2-chome, Minato-ku
Tokyo / JP
[N/P]
Former [2004/29]For all designated states
Mitsubishi Heavy Industries, Ltd.
16-5, Konan 2-chome, Minato-ku
Tokyo / JP
Inventor(s)01 / Kobayashi, Toshiro, Mitsubishi Heavy ind., Ltd.
Hiroshima R&D Center 4-6-22, Kan-on-shin-machi
Nishi-ku Hiroshima-shi Hiroshima / JP
02 / Moriga, Takuya, Mitsubishi Heavy ind., Ltd.
Hiroshima R&D Center 4-6-22, Kan-on-shin-machi
Nishi-ku Hiroshima-shi Hiroshima / JP
03 / Ito, Hideki, Mitsubishi Heavy ind., Ltd.
Hiroshima R&D Center 4-6-22, Kan-on-shin-machi
Nishi-ku Hiroshima-shi Hiroshima / JP
04 / Kajiwara, Tomoyuki, Mitsubishi Heavy ind., Ltd.
Hiroshima R&D Center 4-6-22, Kan-on-shin-machi
Nishi-ku Hiroshima-shi Hiroshima / JP
05 / Yamada, Tamotsu, Mitsubishi Heavy ind., Ltd.
Hiroshima R&D Center 4-6-22, Kan-on-shin-machi
Nishi-ku Hiroshima-shi Hiroshima / JP
 [2004/29]
Representative(s)Henkel & Partner mbB
Patentanwaltskanzlei, Rechtsanwaltskanzlei
Maximiliansplatz 21
80333 München / DE
[N/P]
Former [2004/29]Henkel, Feiler & Hänzel
Möhlstrasse 37
81675 München / DE
Application number, filing date03023828.120.10.2003
[2004/29]
Priority number, dateJP2003000183408.01.2003         Original published format: JP 2003001834
[2004/29]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1437788
Date:14.07.2004
Language:EN
[2004/29]
Type: A3 Search report 
No.:EP1437788
Date:02.11.2005
[2005/44]
Search report(s)(Supplementary) European search report - dispatched on:EP15.09.2005
ClassificationIPC:H01M8/24, H01M8/02, H01M8/10
[2004/29]
CPC:
H01M8/0247 (EP,US); H01M8/247 (EP,US); H01M8/249 (EP,US);
H01M2008/1095 (EP,US); Y02E60/50 (EP)
Designated contracting statesDE,   FR,   GB,   IT [2006/27]
Former [2004/29]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Brennstoffzellenstapel und Verfahren zur Wartung[2004/29]
English:Stacked fuel cell and method for its maintenance[2004/29]
French:Empilement de piles à combustible et méthode pour la maintenance[2004/29]
Examination procedure20.10.2003Examination requested  [2004/29]
28.12.2006Despatch of a communication from the examining division (Time limit: M04)
08.05.2007Application deemed to be withdrawn, date of legal effect  [2007/45]
12.06.2007Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2007/45]
Fees paidRenewal fee
28.10.2005Renewal fee patent year 03
30.10.2006Renewal fee patent year 04
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Documents cited:Search[X]JPH02144857  ;
 [A]JP2001126750  ;
 [X]US4175165  (ADLHART OTTO J [US]) [X] 1-6 * column 8, line 9 - line 15 *;
 [X]US4692391  (HIROTA TOSHIO [JP]) [X] 1-6 * column 4, line 8 - line 68; figures 6,7 *;
 [A]US5789091  (WOZNICZKA BOGUSLAW [CA], et al) [A] 1-6 * column 2, line 50 - column 3, line 60 *;
 [PX]WO03079471  (FRAUNHOFER GES FORSCHUNG [DE], et al) [PX] 1-6 * page 8, line 36 - page 9, line 11 * * claims 1,2,4,7 *
 [X]  - PATENT ABSTRACTS OF JAPAN, (19900823), vol. 014, no. 391, Database accession no. (E - 0968), & JP02144857 A 19900604 (HITACHI LTD) [X] 1-6 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (20010309), vol. 2000, no. 22, & JP2001126750 A 20010511 (MATSUSHITA ELECTRIC IND CO LTD) [A] 1-6 * abstract *
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.