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EP0304994
European procedure
Extract from the Register of European Patents
EP About this file: EP0304994
| EP0304994 - Polarisation scrambler [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.11.1993 Database last updated on 09.09.2024 | Most recent event Tooltip | 20.11.1993 | No opposition filed within time limit | published on 12.01.1994 [1994/02] | Applicant(s) | For:DE
Philips Corporate Intellectual Property GmbH Habsburgerallee 11 52064 Aachen / DE | For:FR
GB
IT
Koninklijke Philips Electronics N.V. Groenewoudseweg 1 5621 BA Eindhoven / NL | [N/P] |
| Former [1989/09] | For:DE
Philips Patentverwaltung GmbH Röntgenstrasse 24 D-22335 Hamburg / DE | ||
| For:FR
GB
IT
Philips Electronics N.V. Groenewoudseweg 1 NL-5621 BA Eindhoven / NL | Inventor(s) | 01 /
Brinkmeyer, E., Prof., Dr. Mittelstrasse 33 D-2110 Buchholz / DE | 02 /
Brennecke, Wolfgang, Dipl.-Phys. Roonstrasse 22 D-2000 Hamburg 20 / DE | 03 /
Otto, Rainer, Dipl.-Ing. Fischers Allee 73 D-2000 Hamburg 50 / DE | [1989/09] | Representative(s) | Koch, Ingo, et al Philips Patentverwaltung GmbH, Wendenstrasse 35c D-20097 Hamburg / DE | [N/P] |
| Former [1989/09] | Koch, Ingo, Dr.-Ing., et al Philips Patentverwaltung GmbH, Wendenstrasse 35c D-20097 Hamburg / DE | Application number, filing date | 88201749.4 | 16.08.1988 | [1989/09] | Priority number, date | DE19873728107 | 22.08.1987 Original published format: DE 3728107 | [1989/09] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0304994 | Date: | 01.03.1989 | Language: | DE | [1989/09] | Type: | A3 Search report | No.: | EP0304994 | Date: | 02.11.1989 | Language: | DE | [1989/44] | Type: | B1 Patent specification | No.: | EP0304994 | Date: | 20.01.1993 | Language: | DE | [1993/03] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.09.1989 | Classification | IPC: | G02F1/01, G02F1/09 | [1989/09] | CPC: |
G02F1/0136 (EP,US);
G02F1/0134 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1989/09] | Title | German: | Polarisationsverwürfler | [1989/09] | English: | Polarisation scrambler | [1989/09] | French: | Brouilleur de polarisations | [1989/09] | Examination procedure | 25.04.1990 | Examination requested [1990/25] | 18.03.1992 | Despatch of communication of intention to grant (Approval: Yes) | 10.07.1992 | Communication of intention to grant the patent | 11.09.1992 | Fee for grant paid | 11.09.1992 | Fee for publishing/printing paid | Opposition(s) | 21.10.1993 | No opposition filed within time limit [1994/02] | Fees paid | Renewal fee | 27.08.1990 | Renewal fee patent year 03 | 27.08.1991 | Renewal fee patent year 04 | 31.08.1992 | 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]DE3530738 (SIEMENS AG [DE]); | [AP]EP0248234 (SIEMENS AG [DE]) | [A] - ELECTRONICS LETTERS, Band 22, Nr. 25, Dezember 1986, Seiten 1341-1343, Stevenage, Herts, GB; R. NOE: "Endless polarisation control experiment with three elements of limited birefringence range" | [AD] - ELECTRONICS LETTERS, Band 21, Nr. 18, 29. August 1985, Seiten 787-788, Stevenage, Herts, GB; T. OKOSHI et al.: "New polarisation-control scheme for optical heterodyne receiver using two faraday rotators" | [AD] - ELECTRONICS LETTERS, Band 23, Nr. 12, 4. Juni 1987, Seiten 634-636, Stevenage, Herts, GB; A.D. KERSEY et al.: "Monomode fibre polarisation scrambler" |