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Extract from the Register of European Patents

EP About this file: EP0277539

EP0277539 - Method for gas sealing of phosphoric acid-type fuel cell [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.06.1992
Database last updated on 16.09.2024
Most recent event   Tooltip04.06.1992No opposition filed within time limitpublished on 22.07.1992 [1992/30]
Applicant(s)For all designated states
MITSUBISHI DENKI KABUSHIKI KAISHA
2-3, Marunouchi 2-chome
Chiyoda-ku
Tokyo / JP
[N/P]
Former [1988/32]For all designated states
MITSUBISHI DENKI KABUSHIKI KAISHA
2-3, Marunouchi 2-chome Chiyoda-ku
Tokyo / JP
Inventor(s)01 / Mitsuda, Kenro c/o Mitsubishi Denki K. K.
Central Res. Lab. 1-1, Tsukaguchi Honmachi 8-chome
Amagasaki-shi Hyogo / JP
02 / Shiota, Hisashi c/o Mitsubishi Denki K. K.
Central Res. Lab. 1-1, Tsukaguchi Honmachi 8-chome
Amagasaki-shi Hyogo / JP
03 / Takahashi, Kenzo c/o Mitsubishi Denki K. K.
Materials Eng.Lab. 1-1, Tsukaguchi Honmachi8-chome
Amagasaki-shi Hyogo / JP
04 / Shimamoto, Kozo c/o Mitsubishi Denki K. K.
Materials Eng.Lab. 1-1, Tsukaguchi Honmachi8-chome
Amagasaki-shi Hyogo / JP
05 / Murahashi, Toshiaki c/o Mitsubishi Denki K. K.
Materials Eng.Lab. 1-1, Tsukaguchi Honmachi8-chome
Amagasaki-shi Hyogo / JP
06 / Hirata, Ikuyuki c/o Mitsubishi Denki K. K.
Materials Eng.Lab. 1-1, Tsukaguchi Honmachi8-chome
Amagasaki-shi Hyogo / JP
[1988/32]
Representative(s)Eisenführ Speiser
Patentanwälte Rechtsanwälte PartGmbB
Postfach 10 60 78
28060 Bremen / DE
[N/P]
Former [1988/32]Eisenführ, Speiser & Partner
Martinistrasse 24
D-28195 Bremen / DE
Application number, filing date88100669.619.01.1988
[1988/32]
Priority number, dateJP1987001282021.01.1987         Original published format: JP 1282087
[1988/32]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0277539
Date:10.08.1988
Language:EN
[1988/32]
Type: B1 Patent specification 
No.:EP0277539
Date:31.07.1991
Language:EN
[1991/31]
Search report(s)(Supplementary) European search report - dispatched on:EP20.06.1988
ClassificationIPC:H01M8/02, H01M2/08
[1988/32]
CPC:
H01M8/0271 (EP,US); Y02E60/50 (EP); Y10T29/4911 (EP,US);
Y10T29/49115 (EP,US)
Designated contracting statesGB,   IT,   NL [1988/32]
TitleGerman:Verfahren zur Gasabdichtung einer Brennstoffzelle des Phosphorsäuretyps[1988/32]
English:Method for gas sealing of phosphoric acid-type fuel cell[1988/32]
French:Méthode pour rendre étanche au gaz une pile à combustible du type à acide phosphorique[1988/32]
Examination procedure29.09.1988Examination requested  [1988/48]
27.03.1990Despatch of a communication from the examining division (Time limit: M04)
31.07.1990Reply to a communication from the examining division
29.11.1990Despatch of communication of intention to grant (Approval: Yes)
16.01.1991Communication of intention to grant the patent
17.04.1991Fee for grant paid
17.04.1991Fee for publishing/printing paid
Opposition(s)05.05.1992No opposition filed within time limit [1992/30]
Fees paidRenewal fee
27.01.1990Renewal fee patent year 03
28.01.1991Renewal fee patent year 04
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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[A]JP58108670  ;
 [AD]JP61013572
 [A]  - PATENT ABSTRACTS OF JAPAN, vol. 7, no. 214 (E-199)[1359], 21st September 1983; & JP-A-58 108 670 (HITACHI SEISAKUSHO K.K.) 28-06-1983, & JP58108670 A 00000000
 [AD]  - PATENT ABSTRACTS OF JAPAN, vol. 10, no. 158 (E-409)[2214], 6th June 1986; & JP-A-61 013 572 (MITSUBISHI DENKI K.K.) 21-01-1986, & JP61013572 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.