EP0094775 - A method of preparing and reading information which is permananently recorded on a magnetic layer [Right-click to bookmark this link] | |||
Former [1983/47] | Improvements relating to magnetic recordings | ||
[1989/01] | Status | No opposition filed within time limit Status updated on 14.12.1989 Database last updated on 03.09.2024 | Most recent event Tooltip | 29.08.2008 | Change - representative | published on 01.10.2008 [2008/40] | Applicant(s) | For all designated states EMI Limited Blyth Road Hayes Middlesex, UB3 1BP / GB | [N/P] |
Former [1983/47] | For all designated states EMI Limited Blyth Road Hayes Middlesex, UB3 1BP / GB | Inventor(s) | 01 /
Sansom, David John 27, Crofton Close Ottershaw Chertsey Surrey, KT16 0LR / GB | [1983/47] | Representative(s) | Marsh, Robin Geoffrey THORN EMI Patents Limited Central Research Laboratories Dawley Road Hayes, Middlesex UB3 1HH / GB | [N/P] |
Former [2008/40] | Marsh, Robin Geoffrey THORN EMI Patents Limited Central Research Laboratories Dawley Road Hayes, Middlesex UB3 1HH / GB | ||
Former [1983/47] | Marsh, Robin Geoffrey THORN EMI Patents Limited Central Research Laboratories Dawley Road Hayes, Middlesex UB3 1HH / GB | Application number, filing date | 83302586.9 | 09.05.1983 | [1983/47] | Priority number, date | GB19820014500 | 18.05.1982 Original published format: GB 8214500 | [1983/47] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0094775 | Date: | 23.11.1983 | Language: | EN | [1983/47] | Type: | A3 Search report | No.: | EP0094775 | Date: | 12.02.1986 | Language: | EN | [1986/07] | Type: | B1 Patent specification | No.: | EP0094775 | Date: | 04.01.1989 | Language: | EN | [1989/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.12.1985 | Classification | IPC: | G11B5/02, G11B5/62, G11B5/84 | [1983/47] | CPC: |
G11B5/3903 (EP,US);
G06K19/12 (EP,US);
G07F7/086 (EP,US);
G11B5/70 (EP,US);
G11B5/852 (EP,US)
| Designated contracting states | DE, FR, GB, NL [1983/47] | Title | German: | Verfahren zur Vorbereitung und zum Lesen von Information,die in einer magnetischen Schicht permanent aufgezeichnet ist | [1989/01] | English: | A method of preparing and reading information which is permananently recorded on a magnetic layer | [1989/01] | French: | Procédé pour la préparation et la lecture d'information enregistrée d'une façon permanente dans une couche magnétique | [1989/01] |
Former [1983/47] | Magnetische Aufzeichnungen | ||
Former [1983/47] | Improvements relating to magnetic recordings | ||
Former [1983/47] | Enregistrement magnétique | Examination procedure | 18.06.1986 | Examination requested [1986/35] | 27.11.1987 | Despatch of a communication from the examining division (Time limit: M04) | 07.03.1988 | Reply to a communication from the examining division | 24.05.1988 | Despatch of communication of intention to grant (Approval: Yes) | 06.07.1988 | Communication of intention to grant the patent | 28.07.1988 | Fee for grant paid | 28.07.1988 | Fee for publishing/printing paid | Opposition(s) | 05.10.1989 | No opposition filed within time limit [1990/05] | Fees paid | Renewal fee | 01.04.1985 | Renewal fee patent year 03 | 19.03.1986 | Renewal fee patent year 04 | 09.04.1987 | Renewal fee patent year 05 | 20.04.1988 | Renewal fee patent year 06 |
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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 | [AD]DE2545959 (EMI LTD); | [AD]US4023204 (LEE CYRIL ARTHUR); | [A]GB2029074 (EMI LTD) | Examination | GB1529937 |