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EP0023048
European procedure
Extract from the Register of European Patents
EP About this file: EP0023048
| EP0023048 - Optical switch [Right-click to bookmark this link] | |||
| Former [1981/04] | Multimode electrically switched optical port | ||
| [1984/09] | Status | No opposition filed within time limit Status updated on 31.01.1985 Database last updated on 19.10.2024 | Most recent event Tooltip | 31.01.1985 | No opposition filed within time limit | published on 03.04.1985 [1985/14] | Applicant(s) | For all designated states Western Electric Company, Incorporated 222 Broadway New York, NY 10038 / US | [1981/04] | Inventor(s) | 01 /
Venkatesan, Thirumalai Nallan 14B Bartle Court Cedar Lane Apartments Highland Park New Jersey 08904 / US | [1981/04] | Representative(s) | Blumbach Weser Bergen Kramer Zwirner Hoffmann Patentanwälte Sonnenberger Strasse 100 65193 Wiesbaden / DE | [N/P] |
| Former [1981/04] | Blumbach Weser Bergen Kramer Zwirner Hoffmann Patentanwälte Sonnenberger Strasse 100 D-65193 Wiesbaden / DE | Application number, filing date | 80104302.7 | 22.07.1980 | [1981/04] | Priority number, date | US19790060013 | 23.07.1979 Original published format: US 60013 | [1981/04] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0023048 | Date: | 28.01.1981 | Language: | EN | [1981/04] | Type: | B1 Patent specification | No.: | EP0023048 | Date: | 29.02.1984 | Language: | EN | [1984/09] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.10.1980 | Classification | IPC: | G02B5/174, G02F1/29 | [1981/04] | CPC: |
G02F1/3137 (EP,US);
G02F1/213 (EP,US);
G02F1/218 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1981/04] | Title | German: | Optischer Schalter | [1984/09] | English: | Optical switch | [1984/09] | French: | Commutateur optique | [1984/09] |
| Former [1981/04] | Elektrisch gesteuerter optischer Multimoden-Torschalter | ||
| Former [1981/04] | Multimode electrically switched optical port | ||
| Former [1981/04] | Porte optique avec commutateur électrique à plusieurs modes | Examination procedure | 23.07.1981 | Examination requested [1981/39] | 11.03.1982 | Despatch of a communication from the examining division (Time limit: M05) | 24.07.1982 | Reply to a communication from the examining division | 23.06.1983 | Despatch of communication of intention to grant (Approval: ) | 12.08.1983 | Communication of intention to grant the patent | 04.10.1983 | Fee for grant paid | 04.10.1983 | Fee for publishing/printing paid | Opposition(s) | 30.11.1984 | No opposition filed within time limit [1985/14] | Fees paid | Renewal fee | 29.07.1982 | Renewal fee patent year 03 | 28.07.1983 | 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 | US4003629 [ ] (BAUES PETER, et al); | DE2745940 [ ] (NIPPON SELFOC CO LTD); | US4008947 [ ] (BAUES PETER, et al); | US4130342 [ ] (MCMAHON DONALD H); | US3791717 [ ] (HONDA M) | [ ] - applied optics, vol. 17, no. 1, 1th january 1978 h. naitoh, k. muto, t. nakayama "mirror-type optical branch and switch" pages 101-104 + fig. 2, 3; page 101, column 1, line 1 to column 2, line 18; page 103, column 1, line 1to page 104 |