Extract from the Register of European Patents

EP Legal status: EP0250166

Designated contracting states Tooltip BE 
 DE 
FR 
GB 
Examination procedure16.11.1991Fee for publishing/printing paid
Fees paidRenewal fee
21.06.1989Renewal fee patent year 03
25.06.1990Renewal fee patent year 04
25.06.1991Renewal fee patent year 05
European patent granted26.02.1992
Opposition procedure27.11.1992No opposition filed within time limit published on 10.02.1993 
INPADOC data   TooltipThe EPO does not accept any responsibility for the accuracy of legal status data relating to the post-grant phase, including but not limited to their completeness and fitness for specific purposes, nor can it guarantee that such data are up to date. For authoritative information, please refer to the relevant national patent authority.
Event date:19.06.1992 
Event description:FR: TRANSLATION FILED
 
Event date:17.02.1993 
Event description:NO OPPOSITION FILED
 
Event date:23.12.1987 
Event description:DESIGNATED CONTRACTING STATES
Kind Code of Ref Document:A2
Designated State(s):BE DE FR GB
 
Event date:11.10.1989 
Event description:DESIGNATED CONTRACTING STATES
Kind Code of Ref Document:A3
Designated State(s):BE DE FR GB
 
Event date:26.02.1992 
Event description:DESIGNATED CONTRACTING STATES
Kind Code of Ref Document:B1
Designated State(s):BE DE FR GB
 
Event date:23.12.1987 
Event description:REQUEST FOR EXAMINATION FILED
Effective DATE:19870727
 
Event date:16.08.1990 
Event description:FIRST EXAMINATION REPORT DESPATCHED
Effective DATE:19900703
 
Event date:02.04.1992 
Event description:CORRESPONDS TO:
Ref Document Number:3776817
Country of Ref Document:DE
DATE OF REF DOCUMENT:19920402
Format of Ref Document F/P:P
 
Event date:29.01.1997 
Event description:GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE
Effective DATE:19960612
 
Event date:30.04.1997 
Event description:REFERENCE TO A NATIONAL CODE
Event code:REG FR ST
Code Expl.:-NOTIFICATION OF LAPSE
 
Event date:13.09.1989 
Event description:MAIN CLASSIFICATION (CORRECTION)
IPC CLASSIFICATION:B28B 3/26
 
Event date:31.12.2000 
Event description:BE: LAPSED
OWNER:NGK INSULATORS LTD
Effective DATE:20000630
 
Event date:30.06.2000 
Event description:LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
Ref Country Code:BE
Free Format Text:LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES
Effective DATE:20000630
 
Event date:03.04.2001 
Event description:LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
Ref Country Code:DE
Free Format Text:LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES
Effective DATE:20010403
 
Event date:28.02.1997 
Event description:LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
Ref Country Code:FR
Effective DATE:19970228
 
Event date:12.06.1996 
Event description:LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
Ref Country Code:GB
Effective DATE:19960612
 
Event date:23.06.1999 
Event description:ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
Ref Country Code:BE
Payment DATE:19990623
Year of Fee Payment:13
 
Event date:19.06.1999 
Event description:ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
Ref Country Code:DE
Payment DATE:19990619
Year of Fee Payment:13
 
Event date:15.06.1995 
Event description:ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
Ref Country Code:FR
Payment DATE:19950615
Year of Fee Payment:09
 
Event date:02.06.1995 
Event description:ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
Ref Country Code:GB
Payment DATE:19950602
Year of Fee Payment:09
 
Event date:10.01.1992 
Event description:(EXPECTED) GRANT
Free Format Text:ORIGINAL CODE: 0009210
 
Event date:22.08.1989 
Event description:SEARCH REPORT DESPATCHED
Free Format Text:ORIGINAL CODE: 0009013
 
Event date:07.11.1987 
Event description:PUBLIC REFERENCE MADE UNDER ARTICLE 153(3) EPC TO A PUBLISHED INTERNATIONAL APPLICATION THAT HAS ENTERED THE EUROPEAN PHASE
Free Format Text:ORIGINAL CODE: 0009012
 
Event date:29.12.1992 
Event description:INFORMATION ON THE STATUS OF AN EP PATENT APPLICATION OR GRANTED EP PATENT
Free Format Text:STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
 
Event date:29.12.1992 
Event description:NO OPPOSITION FILED WITHIN TIME LIMIT
Free Format Text:ORIGINAL CODE: 0009261