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Extract from the Register of European Patents

EP About this file: EP0660964

EP0660964 - MATERIAL FOR ELECTRIC CONTACTS BASED ON SILVER-TIN OXIDE OR SILVER-ZINC OXIDE AND PROCESS FOR ITS PRODUCTION [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  22.11.2002
Database last updated on 20.12.2024
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
AMI DODUCO GmbH
Im Altgefäll 12
75181 Pforzheim / DE
[1999/37]
Former [1995/27]For all designated states
DODUCO GMBH + Co Dr. Eugen Dürrwächter
Im Altgefäll 12
D-75181 Pforzheim / DE
Inventor(s)01 / BEHRENS, Volker
Hauptstrasse 52
D-75015 Bretten / DE
02 / HONIG, Thomas
Uhlandstrasse 12
D-75233 Tiefenbronn / DE
[1995/27]
Representative(s)Twelmeier, Ulrich, et al
Zerrennerstrasse 23-25
75172 Pforzheim / DE
[N/P]
Former [1995/27]Twelmeier, Ulrich, Dipl.Phys., et al
Westliche Karl-Friedrich-Strasse 29-31
D-75172 Pforzheim / DE
Application number, filing date93920746.016.09.1993
[1995/27]
WO1993EP02511
Priority number, dateDE1992423102216.09.1992         Original published format: DE 4231022
[1995/27]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9407252
Date:31.03.1994
Language:DE
[1994/08]
Type: A1 Application with search report 
No.:EP0660964
Date:05.07.1995
Language:DE
The application published by WIPO in one of the EPO official languages on 31.03.1994 takes the place of the publication of the European patent application.
[1995/27]
Type: B1 Patent specification 
No.:EP0660964
Date:26.06.1996
Language:DE
[1996/26]
Type: B2 New European patent specification 
No.:EP0660964
Date:08.01.2003
Language:DE
[2003/02]
Search report(s)International search report - published on:EP31.03.1994
ClassificationIPC:H01H1/02
[1995/27]
CPC:
H01H1/02372 (EP,US); C22C1/059 (US); C22C32/0021 (EP,US);
H01H1/02376 (EP,US); Y10T428/12056 (EP,US); Y10T428/12097 (EP,US);
Y10T428/12104 (EP,US); Y10T428/12146 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1995/27]
TitleGerman:WERKSTOFF FÜR ELEKTRISCHE KONTAKTE AUF DER BASIS VON SILBER-ZINNOXID ODER SILBER-ZINKOXID UND VERFAHREN ZU SEINER HERSTELLUNG[1995/27]
English:MATERIAL FOR ELECTRIC CONTACTS BASED ON SILVER-TIN OXIDE OR SILVER-ZINC OXIDE AND PROCESS FOR ITS PRODUCTION[1995/27]
French:MATERIAU POUR CONTACTS ELECTRIQUES A BASE D'ARGENT-OXYDE STANNIQUE OU D'ARGENT-OXYDE DE ZINC ET SON PROCEDE DE FABRICATION[1995/27]
Entry into regional phase18.04.1995National basic fee paid 
18.04.1995Designation fee(s) paid 
18.04.1995Examination fee paid 
Examination procedure18.04.1994Request for preliminary examination filed
International Preliminary Examining Authority: EP
18.04.1995Examination requested  [1995/27]
01.08.1995Despatch of a communication from the examining division (Time limit: M04)
02.10.1995Reply to a communication from the examining division
20.11.1995Despatch of communication of intention to grant (Approval: Yes)
02.01.1996Communication of intention to grant the patent
09.04.1996Fee for grant paid
09.04.1996Fee for publishing/printing paid
Opposition(s)Opponent(s)01  26.03.1997  09.04.1997  ADMISSIBLE
OMG AG & CO.KG
P.O. BOX 1351
63403 HANAU / DE
Opponent's representative
Vossius & Partner Patentanwälte Rechtsanwälte mbB
Siebertstrasse 3
81675 München / DE
 [N/P]
Former [2002/32]
Opponent(s)01  26.03.1997  09.04.1997  ADMISSIBLE
OMG AG & CO.KG
P.O. BOX 1351
63403 HANAU / DE
Opponent's representative
VOSSIUS & PARTNER
Postfach 86 07 67
81634 München / DE
Former [1999/31]
Opponent(s)01  26.03.1997  09.04.1997  ADMISSIBLE
Degussa-Hüls Aktiengesellschaft Patente und Marken Standort Wolfgang
Postfach 13 45
63403 Hanau / DE
Former [1999/30]
Opponent(s)01  26.03.1997  09.04.1997  ADMISSIBLE
Degussa-Hüls AG Patente und Marken
Postfach 1345
63403 Hanau / DE
Former [1997/21]
Opponent(s)01  26.03.1997   
DEGUSSA AG, Patentabteilung- Zweigniederlassung Wolgang
Postfach 13 45
D-63403 Hanau / DE
deletedDeletion: Legal effect of rejection of opposition [ N /P ]
05.05.1997Invitation to proprietor to file observations on the notice of opposition
14.11.1997Reply of patent proprietor to notice(s) of opposition
20.04.1998Despatch of a communication from the opposition division (Time limit: M04)
13.08.1998Reply to a communication from the opposition division
01.07.1999Date of oral proceedings
12.07.1999Despatch of minutes of oral proceedings
12.07.1999Date of despatch of rejection of opposition
18.06.2002Legal effect of interlocutory decision in opposition
16.07.2002Despatch of interlocutory decision in opposition
20.08.2002Despatch of communication that the patent will be maintained as amended
12.11.2002Fee for printing new specification paid
Appeal following opposition11.09.1999Appeal received No.  T0903/99
13.11.1999Statement of grounds filed
16.07.2002Interlocutory revision of appeal
16.07.2002Result of appeal procedure: maintenance in amended form
18.06.2002Date of oral proceedings
20.06.2002Minutes of the oral proceedings despatched
Fees paidRenewal fee
02.10.1995Renewal fee patent year 03
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  TooltipDK26.06.1996
AT16.09.1996
BE30.09.1996
[1998/41]
Former [1998/15]BE26.06.1996
DK26.06.1996
AT16.09.1996
Former [1998/02]BE26.06.1996
AT16.09.1996
Former [1997/21]BE26.06.1996
Cited inInternational search[A]WO8001434  (GTE LABORATORIES INC [US]) [A] 1 * page 9, line 29 - page 10, line 5 *;
 [A]EP0056857  (DEGUSSA [DE]) [A] 1 * page 2, line 34 - page 3, line 27 *;
 [D]DE3102067  (DEGUSSA [DE])
 [DA]  - C.BOURDA, "Properties and effects of dopoing agents in AGSNO2 contact materials", PROCEEDINGS ON THE 16TH INTERNETIONAL CONFERENCE ON ELECTRIC CONTACTS 7-12 SEPTEMBER 1992, LOUGHBOROUGH, (19920907), pages 377 - 382 [DA] 1 * page 382, column L, paragraph 3 *
Examination   - PROCEEDINGS ON THE 16TH INTERNETIONAL CONFERENCE ON ELECTRIC CONTACTS 7-12 SEPTEMBER 1992 7. September 1992 LOUGHBOROUGH Seiten 377 - 382 C.BOURDA
    - 'Properties and effects of dopoing agents in AGSNO2 contact materials' in der Anmeldung erw{hnt s
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.