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EP0081685
European procedure
Extract from the Register of European Patents
EP About this file: EP0081685
| EP0081685 - Wave guiding film [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.03.1987 Database last updated on 03.09.2024 | Most recent event Tooltip | 17.03.1987 | No opposition filed within time limit | published on 06.05.1987 [1987/19] | Applicant(s) | For all designated states ANT Nachrichtentechnik GmbH Gerberstrasse 33 D-71522 Backnang / DE | [1983/44] |
| Former [1983/25] | For all designated states AEG - TELEFUNKEN Nachrichtentechnik GmbH Gerberstrasse 33 D-7150 Backnang / DE | Inventor(s) | 01 /
Unger, Hans-Georg, Prof. Dr.-Ing. Wöhler Strasse 10 D-3300 Braunschweig / DE | 02 /
Jacob, Jörn Berliner Strasse 75 D-3300 Braunschweig / DE | [1983/25] | Representative(s) | Schickle, Gerhard, et al ANT Nachrichtentechnik GmbH Patent- und Lizenzabteilung Gerberstrasse 33 D-7150 Backnang / DE | [N/P] |
| Former [1983/44] | Schickle, Gerhard, Dipl.-Ing., et al ANT Nachrichtentechnik GmbH Patent- und Lizenzabteilung Gerberstrasse 33 D-7150 Backnang / DE | ||
| Former [1983/25] | Schickle, Gerhard, Dipl.-Ing. AEG-TELEFUNKEN Nachrichtentechnik GmbH K1 E7 Gerberstrasse 33 D-7150 Backnang / DE | Application number, filing date | 82110456.9 | 12.11.1982 | [1983/25] | Priority number, date | DE19813147488 | 01.12.1981 Original published format: DE 3147488 | [1983/25] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0081685 | Date: | 22.06.1983 | Language: | DE | [1983/25] | Type: | B1 Patent specification | No.: | EP0081685 | Date: | 14.05.1986 | Language: | DE | [1986/20] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.04.1983 | Classification | IPC: | G02B6/12 | [1986/20] | CPC: |
G02B6/122 (EP,US)
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| Former IPC [1983/25] | G02B5/14 | Designated contracting states | DE, FR, GB, IT, NL [1983/25] | Title | German: | Filmwellenleiter | [1983/25] | English: | Wave guiding film | [1983/25] | French: | Guide d'ondes intégré | [1986/20] |
| Former [1983/25] | Guide d'ondes de film | Examination procedure | 12.07.1983 | Examination requested [1983/38] | 07.05.1984 | Despatch of a communication from the examining division (Time limit: M06) | 13.09.1984 | Reply to a communication from the examining division | 11.02.1985 | Despatch of a communication from the examining division (Time limit: M04) | 26.02.1985 | Reply to a communication from the examining division | 02.05.1985 | Despatch of a communication from the examining division (Time limit: M02) | 28.06.1985 | Reply to a communication from the examining division | 20.08.1985 | Despatch of a communication from the examining division (Time limit: M02) | 10.09.1985 | Reply to a communication from the examining division | 18.10.1985 | Despatch of communication of intention to grant (Approval: ) | 15.11.1985 | Communication of intention to grant the patent | 25.11.1985 | Fee for grant paid | 25.11.1985 | Fee for publishing/printing paid | Opposition(s) | 17.02.1987 | No opposition filed within time limit [1987/19] | Fees paid | Renewal fee | 09.11.1984 | Renewal fee patent year 03 | 07.11.1985 | Renewal fee patent year 04 |
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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 | [Y]US4183617 (GOTTLIEB MILTON [US], et al); | [Y]DE2331497 (BELL NORTHERN RESEARCH LTD); | [Y]US4141621 (AAGARD ROGER L, et al); | [A]US4178066 (DI VITA PIETRO [IT]); | [A]CA1108903 (NORTHERN TELECOM LTD); | [A]US3614198 (MARTIN RAYMOND J, et al) | [Y] - IEEE JOURNAL OF QUANTUM ELECTRONICS, Band QE-16, Nr. 7, 1980, New York, W.S.C. CHANG et al. "Fresnel lenses in optical waveguides, Seiten 744-754 | Examination | US3957341 | - Applied Optics, Nov. 1971, Vol. 10, No. 11, S. 2395-2413 |