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EP0457582
European procedure
Extract from the Register of European Patents
EP About this file: EP0457582
| EP0457582 - Level detecting circuit [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.01.1997 Database last updated on 15.06.2024 | Most recent event Tooltip | 31.01.1997 | No opposition filed within time limit | published on 19.03.1997 [1997/12] | Applicant(s) | For all designated states NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-8001 / JP | [N/P] |
| Former [1991/47] | For all designated states NEC CORPORATION 7-1, Shiba 5-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Nishijima, Kazunori 7-1, Shiba 5-chome Minato-ku, Tokyo / JP | [1991/47] | Representative(s) | Jackson, David Spence, et al Reddie & Grose LLP 16 Theobalds Road London WC1X 8PL / GB | [N/P] |
| Former [1991/47] | Jackson, David Spence, et al REDDIE & GROSE 16, Theobalds Road London, WC1X 8PL / GB | Application number, filing date | 91304396.4 | 16.05.1991 | [1991/47] | Priority number, date | JP19900128057 | 17.05.1990 Original published format: JP 12805790 | [1991/47] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0457582 | Date: | 21.11.1991 | Language: | EN | [1991/47] | Type: | A3 Search report | No.: | EP0457582 | Date: | 17.06.1992 | Language: | EN | [1992/25] | Type: | B1 Patent specification | No.: | EP0457582 | Date: | 27.03.1996 | Language: | EN | [1996/13] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.04.1992 | Classification | IPC: | G01R19/165, G01R1/44 | [1992/25] | CPC: |
G01R19/32 (EP,US)
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| Former IPC [1991/47] | G01R19/32, G01R19/165 | Designated contracting states | DE, FR, GB [1991/47] | Title | German: | Pegel-Erkennungsschaltung | [1991/47] | English: | Level detecting circuit | [1991/47] | French: | Circuit pour détecter un niveau | [1991/47] | Examination procedure | 03.06.1991 | Examination requested [1991/47] | 26.05.1994 | Despatch of a communication from the examining division (Time limit: M06) | 26.10.1994 | Reply to a communication from the examining division | 22.02.1995 | Despatch of a communication from the examining division (Time limit: M04) | 10.06.1995 | Reply to a communication from the examining division | 04.07.1995 | Despatch of communication of intention to grant (Approval: Yes) | 14.09.1995 | Communication of intention to grant the patent | 13.12.1995 | Fee for grant paid | 13.12.1995 | Fee for publishing/printing paid | Opposition(s) | 28.12.1996 | No opposition filed within time limit [1997/12] | Fees paid | Renewal fee | 21.05.1993 | Renewal fee patent year 03 | 25.05.1994 | Renewal fee patent year 04 | 02.05.1995 | 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 | [Y]US3912997 (ASMAR ROMEAL F); | [Y]EP0084722 (FUJITSU LTD [JP]); | [A]EP0169288 (RENAULT [FR]) |