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Extract from the Register of European Patents

EP About this file: EP0445597

EP0445597 - Method and device for gaseous fuel cell operation [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.04.1996
Database last updated on 19.10.2024
Most recent event   Tooltip07.03.1997Lapse of the patent in a contracting statepublished on 23.04.1997 [1997/17]
Applicant(s)For all designated states
GTE Laboratories Incorporated
1209 Orange Street Wilmington
Delaware 01901 / US
[N/P]
Former [1991/37]For all designated states
GTE LABORATORIES INCORPORATED
1209 Orange Street
Wilmington Delaware 01901 / US
Inventor(s)01 / Wang, Da Yu
2 Aerial Street
Lexington, MA 02173 / US
02 / Kennedy, Daniel T.
20 Leroy Drive
Burlington, MA 01803 / US
03 / MacAllister, Burton W., Jr.
13 Butternut Street
Hudson, NH 03051 / US
[1991/37]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstrasse 4
80802 München / DE
[N/P]
Former [1991/37]Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
Maximilianstrasse 58
D-80538 München / DE
Application number, filing date91102546.821.02.1991
[1991/37]
Priority number, dateUS1990049081208.03.1990         Original published format: US 490812
[1991/37]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0445597
Date:11.09.1991
Language:EN
[1991/37]
Type: A3 Search report 
No.:EP0445597
Date:14.04.1993
Language:EN
[1993/15]
Type: B1 Patent specification 
No.:EP0445597
Date:07.06.1995
Language:EN
[1995/23]
Search report(s)(Supplementary) European search report - dispatched on:EP19.02.1993
ClassificationIPC:H01M8/12, H01M8/04, G01N27/406, H01M8/24
[1993/15]
CPC:
G01N27/417 (EP,US); H01M8/04089 (EP,US); H01M8/1231 (EP,US);
Y02E60/50 (EP)
Former IPC [1991/37]H01M8/12, H01M8/04, G01N27/406
Designated contracting statesDE,   FR,   GB,   IT [1991/37]
TitleGerman:Verfahren und Vorrichtung zum Betrieb einer Brennstoffzelle mit gasförmigen Reaktanten[1991/37]
English:Method and device for gaseous fuel cell operation[1991/37]
French:Méthode et dispositif pour faire fonctionner une pile à combustible à réactants gazeux[1991/37]
Examination procedure24.09.1993Examination requested  [1993/46]
26.07.1994Despatch of communication of intention to grant (Approval: Yes)
06.12.1994Communication of intention to grant the patent
07.03.1995Fee for grant paid
07.03.1995Fee for publishing/printing paid
Opposition(s)08.03.1996No opposition filed within time limit [1996/22]
Fees paidRenewal fee
26.02.1993Renewal fee patent year 03
28.02.1994Renewal fee patent year 04
28.02.1995Renewal fee patent year 05
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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.
Lapses during opposition  TooltipGB21.02.1996
[1997/17]
Former [1997/14]GB21.02.1996
Documents cited:Search[A]JP60177258  ;
 [A]FR1454165  (PHILIPS NV);
 [A]US4248941  (LOUIS GEORGE A, et al);
 [A]EP0140295  (HITACHI LTD [JP]);
 [A]GB2184847  (HONDA MOTOR CO LTD);
 [A]GB2188436  (HONDA MOTOR CO LTD);
 [A]US4863813  (DYER CHRISTOPHER K [US])
 [A]  - JOURNAL OF THE ELECTROCHEMICAL SOCIETY vol. 118, no. 8, August 1971, MANCHESTER, NEW HAMPSHIRE US pages 1376 - 1381 Y. L. SANDLER 'The Response of the Stabilized Zirconia Galvanic Cell to Methane-Oxygen Mixtures'
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 10, no. 26 (P-425)(2083) 31 January 1986 & JP-A-60 177 258 ( NISSAN JIDOSHA K.K. ) 11 September 1985, & JP60177258 A 19850911
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.