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EP0050357
European procedure
Extract from the Register of European Patents
EP About this file: EP0050357
| EP0050357 - Liquid crystal display element and process for production thereof [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.07.1986 Database last updated on 17.05.2024 | Most recent event Tooltip | 29.07.1986 | No opposition filed within time limit | published on 17.09.1986 [1986/38] | Applicant(s) | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1982/17] | For all designated states Hitachi, Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku, Tokyo 100 / JP | Inventor(s) | 01 /
Umeda, Takao 162, Ishinazakacho Hitachi-shi / JP | 02 /
Igawa, Tatsuo 412-1, Kamiokashimo Sekiminamicho Kitaibaraki-shi / JP | 03 /
Simazaki, Yuzuru 6-3, Nishinarusawacho-3-chome Hitachi-shi / JP | 04 /
Miyashita, Takao 2151-10, Motoyoshidacho Mito-shi / JP | 05 /
Nakano, Fumio 2374-110, Okubocho Hitachi-shi / JP | [1982/17] | Representative(s) | von Füner, Alexander, et al v. Füner Ebbinghaus Finck Hano Postfach 95 01 60 81517 München / DE | [N/P] |
| Former [1982/47] | von Füner, Alexander, Dr., et al Patentanwälte v. Füner, Ebbinghaus, Finck, Postfach 95 01 60 D-81517 München / DE | ||
| Former [1982/17] | Von Füner, Alexander, Dr. K.L. Schiff Dr. A. von Funer Dipl.-Ing. P. Strehl Dr. U. Schübel-Hopf Dipl.-Ing. D. Ebbinghaus Dr.-Ing. D. Finck Patentanwälte Mariahilfplatz 2 & 3 D-8000 München 90 / DE | Application number, filing date | 81108521.6 | 19.10.1981 | [1982/17] | Priority number, date | JP19800145809 | 20.10.1980 Original published format: JP 14580980 | [1982/17] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0050357 | Date: | 28.04.1982 | Language: | EN | [1982/17] | Type: | B1 Patent specification | No.: | EP0050357 | Date: | 18.09.1985 | Language: | EN | [1985/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.02.1982 | Classification | IPC: | G02F1/133 | [1982/17] | CPC: |
G02F1/13392 (EP,US);
G02F1/133 (KR);
C09K2323/053 (EP,US);
C09K2323/055 (EP,US);
C09K2323/06 (EP,US)
| Designated contracting states | DE, GB [1982/17] | Title | German: | Flüssigkristall-Anzeigeelement und Verfahren zu seiner Herstellung | [1982/17] | English: | Liquid crystal display element and process for production thereof | [1982/17] | French: | Dispositif d'affichage à cristaux liquides et son procédé de fabrication | [1982/17] | Examination procedure | 30.08.1982 | Examination requested [1982/45] | 25.04.1983 | Despatch of a communication from the examining division (Time limit: M04) | 02.09.1983 | Reply to a communication from the examining division | 20.02.1984 | Despatch of a communication from the examining division (Time limit: M04) | 28.06.1984 | Reply to a communication from the examining division | 22.11.1984 | Despatch of communication of intention to grant (Approval: ) | 22.02.1985 | Communication of intention to grant the patent | 04.06.1985 | Fee for grant paid | 04.06.1985 | Fee for publishing/printing paid | Opposition(s) | 19.06.1986 | No opposition filed within time limit [1986/38] | Fees paid | Renewal fee | 13.10.1983 | Renewal fee patent year 03 | 30.10.1984 | 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 | DE2406623 [ ] (HITACHI LTD); | EP0009243 [ ] (SIEMENS AG [DE]); | US3912365 [ ] (LOWELL FRANCIS C); | DE2242389 [ ] (TRANSPARENT CONDUCTORS INC); | AT307522B [ ] (ELECTROVAC); | DE2823845 [ ] (SIEMENS AG) | Examination | DE2815405 |