Extract from the Register of European Patents

EP Legal status: EP0004949

Designated contracting states BE 
 CH 
 DE 
FR 
GB 
 IT 
 LU 
 NL 
 SE 
Examination procedure01.06.1983Fee for publishing/printing paid
Fees paidRenewal fee
29.04.1981Renewal fee patent year 03
29.04.1982Renewal fee patent year 04
28.04.1983Renewal fee patent year 05
European patent granted21.09.1983
Opposition procedure23.06.1984No opposition filed within time limit published on 03.10.1984 
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:23.07.1980 
Event description:REQUEST FOR EXAMINATION FILED
 
Event date:10.11.1983 
Event description:FR: TRANSLATION FILED
 
Event date:03.10.1984 
Event description:NO OPPOSITION FILED
 
Event date:30.04.1994 
Event description:IT: LAST PAID ANNUAL FEE
 
Event date:21.06.1994 
Event description:LU: LAST PAID ANNUAL FEE
 
Event date:31.10.1979 
Event description:DESIGNATED CONTRACTING STATES
Designated State(s):BE CH DE FR GB IT LU NL SE
 
Event date:21.09.1983 
Event description:DESIGNATED CONTRACTING STATES
Designated State(s):BE CH DE FR GB IT LU NL SE
 
Event date:21.04.1983 
Event description:IT: TRANSLATION FOR A EP PATENT FILED
 
Event date:27.10.1983 
Event description:CORRESPONDS TO:
Ref Document Number:2966173
Country of Ref Document:DE
DATE OF REF DOCUMENT:19831027
Format of Ref Document F/P:P
 
Event date:30.04.1999 
Event description:REFERENCE TO A NATIONAL CODE
Event code:REG CH PL
Code Expl.:-PATENT CEASED
 
Event date:05.05.1999 
Event description:REFERENCE TO A NATIONAL CODE
Event code:REG GB PE20
Code Expl.:-PATENT EXPIRED AFTER TERMINATION OF 20 YEARS
Effective DATE:19990411
 
Event date:31.01.1995 
Event description:SE: EUROPEAN PATENT IN FORCE IN SWEDEN
Ref Document Number:79101131.5
Format of Ref Document F/P:F
 
Event date:01.06.1999 
Event description:NL: CEASED DUE TO REACHING THE MAXIMUM LIFETIME OF A PATENT
Effective DATE:19990412
 
Event date:28.06.1999 
Event description:SE: EUROPEAN PATENT HAS LAPSED
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Event date:01.01.1999 
Event description:BE: PATENT EXPIRED
Free Format Text:19990412 *MERCK & CO. INC.
 
Event date:11.04.1999 
Event description:LAPSED IN A CONTRACTING STATE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
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Free Format Text:LAPSE BECAUSE OF EXPIRATION OF PROTECTION
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Effective DATE:19980413
 
Event date:16.04.1998 
Event description:ANNUAL FEE PAID TO NATIONAL OFFICE [ANNOUNCED VIA POSTGRANT INFORMATION FROM NATIONAL OFFICE TO EPO]
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Payment DATE:19980416
Year of Fee Payment:20
 
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Payment DATE:19980526
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Payment DATE:19980330
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Payment DATE:19980330
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Payment DATE:19980430
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Payment DATE:19980430
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Payment DATE:19980406
Year of Fee Payment:20
 
Event date:23.07.1983 
Event description:(EXPECTED) GRANT
Free Format Text:ORIGINAL CODE: 0009210
 
Event date:04.09.1979 
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:01.08.1984 
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:01.08.1984 
Event description:NO OPPOSITION FILED WITHIN TIME LIMIT
Free Format Text:ORIGINAL CODE: 0009261