blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0500725

EP0500725 - BATTERY USING A METAL PARTICLE BED ELECTRODE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.02.1996
Database last updated on 18.11.2024
Most recent event   Tooltip07.12.2007Lapse of the patent in a contracting state
Updated state(s): FR		published on 09.01.2008  [2008/02]
Applicant(s)For all designated states
The Regents of the University of California
300 Lakeside Drive
22nd Floor
Oakland, California 94612-3550 / US
[N/P]
Former [1992/36]For all designated states
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
300 Lakeside Drive, 22nd Floor
Oakland, California 94612-3550 / US
Inventor(s)01 / EVANS, James, W.
530 Boulevard Way
Piedmont, CA 94610 / US
02 / SAVASKAN, Gultekin
1109D 6th Street, Apartment No. 35
Albany, CA 94710 / US
[1992/36]
Representative(s)Harrison, David Christopher, et al
Mewburn Ellis LLP
City Tower
40 Basinghall Street
London EC2V 5DE / GB
[N/P]
Former [1992/36]Harrison, David Christopher, et al
MEWBURN ELLIS York House 23 Kingsway
London WC2B 6HP / GB
Application number, filing date90917279.306.11.1990
[1992/36]
WO1990US06304
Priority number, dateUS1989043347508.11.1989         Original published format: US 433475
[1992/36]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9107783
Date:30.05.1991
Language:EN
[1991/12]
Type: A1 Application with search report 
No.:EP0500725
Date:02.09.1992
Language:EN
The application published by WIPO in one of the EPO official languages on 30.05.1991 takes the place of the publication of the European patent application.
[1992/36]
Type: B1 Patent specification 
No.:EP0500725
Date:12.04.1995
Language:EN
[1995/15]
Search report(s)International search report - published on:US30.05.1991
(Supplementary) European search report - dispatched on:EP20.01.1993
ClassificationIPC:H01M8/04
[1992/36]
CPC:
H01M8/225 (EP,KR,US); H01M12/065 (EP,KR,US); H01M50/70 (EP,US);
H01M10/26 (EP,US); H01M4/06 (KR); H01M2004/024 (EP,KR,US);
H01M2300/0014 (KR); H01M4/02 (EP,US); Y02E60/10 (EP);
Y02E60/50 (EP) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1992/36]
TitleGerman:BATTERIE MIT EINER ELEKTRODE MIT METALLPARTIKELN IN FORM EINES BETTES[1992/36]
English:BATTERY USING A METAL PARTICLE BED ELECTRODE[1992/36]
French:BATTERIE AVEC ELECTRODE A LIT DE PARTICULES METALLIQUES[1992/36]
Entry into regional phase29.05.1992National basic fee paid 
29.05.1992Search fee paid 
29.05.1992Designation fee(s) paid 
29.05.1992Examination fee paid 
Examination procedure10.06.1991Request for preliminary examination filed
International Preliminary Examining Authority: BE
29.05.1992Examination requested  [1992/36]
23.07.1993Despatch of a communication from the examining division (Time limit: M04)
02.12.1993Reply to a communication from the examining division
21.04.1994Despatch of communication of intention to grant (Approval: Yes)
08.09.1994Communication of intention to grant the patent
30.09.1994Fee for grant paid
30.09.1994Fee for publishing/printing paid
Opposition(s)13.01.1996No opposition filed within time limit [1996/14]
Fees paidRenewal fee
29.10.1992Renewal fee patent year 03
15.10.1993Renewal fee patent year 04
31.10.1994Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipAT12.04.1995
BE12.04.1995
CH12.04.1995
DK12.04.1995
ES12.04.1995
FR12.04.1995
GR12.04.1995
IT12.04.1995
LI12.04.1995
NL12.04.1995
SE12.07.1995
LU30.11.1995
[2006/14]
Former [2003/11]AT12.04.1995
BE12.04.1995
CH12.04.1995
DK12.04.1995
ES12.04.1995
GR12.04.1995
IT12.04.1995
LI12.04.1995
NL12.04.1995
SE12.07.1995
FR08.09.1995
LU30.11.1995
Former [2002/25]AT12.04.1995
BE12.04.1995
CH12.04.1995
DK12.04.1995
ES12.04.1995
GR12.04.1995
IT12.04.1995
LI12.04.1995
SE12.07.1995
FR08.09.1995
LU30.11.1995
NL30.11.1995
Former [2000/27]AT12.04.1995
BE12.04.1995
CH12.04.1995
DK12.04.1995
GR12.04.1995
IT12.04.1995
LI12.04.1995
SE12.07.1995
FR08.09.1995
LU30.11.1995
NL30.11.1995
Former [2000/04]AT12.04.1995
BE12.04.1995
CH12.04.1995
DK12.04.1995
GR12.04.1995
IT12.04.1995
LI12.04.1995
SE12.07.1995
FR08.09.1995
LU30.11.1995
Former [1999/42]AT12.04.1995
BE12.04.1995
CH12.04.1995
DK12.04.1995
IT12.04.1995
LI12.04.1995
SE12.07.1995
FR08.09.1995
Former [1998/15]AT12.04.1995
BE12.04.1995
CH12.04.1995
DK12.04.1995
LI12.04.1995
SE12.07.1995
FR08.09.1995
Former [1996/04]AT12.04.1995
BE12.04.1995
CH12.04.1995
LI12.04.1995
SE12.07.1995
FR08.09.1995
Former [1996/02]AT12.04.1995
CH12.04.1995
LI12.04.1995
FR08.09.1995
Former [1996/01]CH12.04.1995
LI12.04.1995
FR08.09.1995
Former [1995/44]CH12.04.1995
LI12.04.1995
Cited inInternational search[A]US3879225  (BACKHURST JOHN RAYNER, et al);
 [A]US3887400  (DONIAT DENIS, et al);
 [A]US3981747  (DONIAT DENIS, et al);
 [A]US4126733  (DONIAT DENIS);
 [A]US4147839  (SOLOMON FRANK, et al);
 [A]US4198475  (ZAROMB SOLOMON [US]);
 [A]US4218520  (ZAROMB SOLOMON [US])
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.