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EP0632456
European procedure
Extract from the Register of European Patents
EP About this file: EP0632456
| EP0632456 - Voltage generator circuit generating negative potential [Right-click to bookmark this link] | |||
| Former [1995/01] | Voltage generator circuit generating stable negative potential | ||
| [1998/42] | Status | No opposition filed within time limit Status updated on 23.06.2000 Database last updated on 04.11.2024 | Most recent event Tooltip | 23.06.2000 | No opposition filed within time limit | published on 09.08.2000 [2000/32] | Applicant(s) | For all designated states NEC Corporation 7-1, Shiba 5-chome Minato-ku Tokyo 108-8001 / JP | [N/P] |
| Former [1999/34] | For all designated states NEC CORPORATION 7-1, Shiba 5-chome, Minato-ku Tokyo / JP | ||
| Former [1995/01] | For all designated states NEC CORPORATION 7-1, Shiba 5-chome Minato-ku Tokyo / JP | Inventor(s) | 01 /
Okunaga, Kazuo, c/o NEC Corporation 7-1, Shiba 5-chome Minato-ku, Tokyo / JP | [1995/01] | Representative(s) | Glawe, Delfs, Moll Partnerschaft mbB von Patent- und Rechtsanwälten Postfach 26 01 62 80058 München / DE | [N/P] |
| Former [1995/01] | Glawe, Delfs, Moll & Partner Patentanwälte Postfach 26 01 62 D-80058 München / DE | Application number, filing date | 94110128.9 | 29.06.1994 | [1995/01] | Priority number, date | JP19930159805 | 30.06.1993 Original published format: JP 15980593 | [1995/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0632456 | Date: | 04.01.1995 | Language: | EN | [1995/01] | Type: | A3 Search report | No.: | EP0632456 | Date: | 18.10.1995 | Language: | EN | [1995/42] | Type: | B1 Patent specification | No.: | EP0632456 | Date: | 25.08.1999 | Language: | EN | [1999/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 01.09.1995 | Classification | IPC: | G11C5/14 | [1995/01] | CPC: |
G11C5/146 (EP,US);
G11C5/14 (KR)
| Designated contracting states | DE, FR, GB [1995/01] | Title | German: | Spannungserzeugungsschaltung, die eine negative Spannung erzeugt | [1998/42] | English: | Voltage generator circuit generating negative potential | [1998/42] | French: | Circuit de génération de tension délivrant une tension négative | [1998/42] |
| Former [1995/01] | Spannungserzeugungsschaltung, die eine stabile negative Spannung erzeugt | ||
| Former [1995/01] | Voltage generator circuit generating stable negative potential | ||
| Former [1995/01] | Circuit de génération de tension délivrant une tension négative stable | Examination procedure | 05.09.1995 | Examination requested [1995/44] | 10.03.1998 | Despatch of a communication from the examining division (Time limit: M04) | 20.07.1998 | Reply to a communication from the examining division | 22.09.1998 | Despatch of communication of intention to grant (Approval: Yes) | 08.02.1999 | Communication of intention to grant the patent | 12.05.1999 | Fee for grant paid | 12.05.1999 | Fee for publishing/printing paid | Opposition(s) | 26.05.2000 | No opposition filed within time limit [2000/32] | Fees paid | Renewal fee | 20.06.1996 | Renewal fee patent year 03 | 20.06.1997 | Renewal fee patent year 04 | 23.06.1998 | Renewal fee patent year 05 | 22.06.1999 | Renewal fee patent year 06 |
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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]EP0051532 (FAIRCHILD CAMERA INSTR CO [US]) [A] 1,7,8 * page 3, line 17 - page 9, line 31; figure 1 *; | [A]US4336466 (SUD RAHUL, et al) [A] 1,5,7,8 * abstract ** column 3, line 10 - column 7, line 49; figures 2-4 * |