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EP0231857
European procedure
Extract from the Register of European Patents
EP About this file: EP0231857
| EP0231857 - Reversible, optical data storage method [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.01.1992 Database last updated on 04.06.2024 | Most recent event Tooltip | 16.01.1992 | No opposition filed within time limit | published on 04.03.1992 [1992/10] | Applicant(s) | For all designated states Röhm GmbH Kirschenallee D-64293 Darmstadt / DE | [1987/33] | Inventor(s) | 01 /
Eich, Manfred Bockenheimer Landstrasse 7 D-6000 Frankfurt 1 / DE | 02 /
Wendorff, Joachim, Dr. Reiherstrasse 18 D-6085 Nauheim / DE | 03 /
Reck, Bernd L 13,6 D-6800 Mannheim / DE | [1987/33] | Application number, filing date | 87101082.3 | 27.01.1987 | [1987/33] | Priority number, date | DE19863603268 | 04.02.1986 Original published format: DE 3603268 | [1987/33] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0231857 | Date: | 12.08.1987 | Language: | DE | [1987/33] | Type: | A3 Search report | No.: | EP0231857 | Date: | 01.06.1988 | Language: | DE | [1988/22] | Type: | B1 Patent specification | No.: | EP0231857 | Date: | 13.03.1991 | Language: | DE | [1991/11] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.04.1988 | Classification | IPC: | G11B7/24, G11C13/04 | [1988/23] | CPC: |
G02F1/132 (EP,US);
G11C13/04 (KR);
G02F1/13768 (EP,US);
G11B13/00 (EP,US);
G11B7/00555 (EP,US);
G11B7/245 (EP,US);
G11B7/25 (EP,US)
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| Former IPC [1987/33] | G11B7/24, G11B11/10 | Designated contracting states | DE, FR, GB, IT, NL [1987/33] | Title | German: | Verfahren zur reversiblen, optischen Datenspeicherung (III) | [1987/33] | English: | Reversible, optical data storage method | [1987/33] | French: | Méthode d'enregistrement optique réversible de données | [1987/33] | Examination procedure | 18.06.1988 | Examination requested [1988/33] | 31.08.1988 | Despatch of a communication from the examining division (Time limit: M04) | 29.12.1988 | Reply to a communication from the examining division | 16.03.1989 | Despatch of a communication from the examining division (Time limit: M04) | 19.07.1989 | Reply to a communication from the examining division | 21.08.1989 | Despatch of a communication from the examining division (Time limit: M04) | 22.12.1989 | Reply to a communication from the examining division | 15.02.1990 | Despatch of a communication from the examining division (Time limit: M06) | 02.07.1990 | Reply to a communication from the examining division | 03.08.1990 | Despatch of communication of intention to grant (Approval: Yes) | 20.08.1990 | Communication of intention to grant the patent | 08.09.1990 | Fee for grant paid | 08.09.1990 | Fee for publishing/printing paid | Opposition(s) | 14.12.1991 | No opposition filed within time limit [1992/10] | Fees paid | Renewal fee | 18.01.1989 | Renewal fee patent year 03 | 16.01.1990 | Renewal fee patent year 04 | 22.12.1990 | Renewal 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. | Documents cited: | Search | [A]DE2740076 ; | [A]EP0007574 ; | [Y]DE3324770 (KONISHIROKU PHOTO IND [JP]); | [A]EP0141512 (UNIV MANCHESTER [GB]); | [XP]EP0171045 (BASF AG [DE]) | [A] - THE TRANSACTIONS OF THE IECE OF JAPAN, Band E61, Nr. 6; K. KUBOTA et al.: "Hologram memory using one dimensional Fourier transform-image hologram" |