-
EP0356511
European procedure
Extract from the Register of European Patents
EP About this file: EP0356511
| EP0356511 - ESD PROTECTION CIRCUIT EMPLOYING CHANNEL DEPLETION [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 18.05.1995 Database last updated on 20.05.2024 | Most recent event Tooltip | 18.05.1995 | No opposition filed within time limit | published on 05.07.1995 [1995/27] | Applicant(s) | For all designated states UNISYS CORPORATION Township Line and Union Meeting Roads P.O. Box 500 Blue Bell, PA 19424 / US | [1990/10] | Inventor(s) | 01 /
ZHANG, Xiaonan 13886 Bruyere Court San Diego, CA 92129 / US | 02 /
WU, Xiaolan 13886 Bruyere Court San Diego, CA 92129 / US | [1990/10] | Representative(s) | Eisenführ Speiser Patentanwälte Rechtsanwälte PartGmbB Postfach 10 60 78 28060 Bremen / DE | [N/P] |
| Former [1990/10] | Eisenführ, Speiser & Partner Martinistrasse 24 D-28195 Bremen / DE | Application number, filing date | 89905968.7 | 09.01.1989 | [1990/10] | WO1989US00076 | Priority number, date | US19880145138 | 19.01.1988 Original published format: US 145138 | [1990/10] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | WO8907332 | Date: | 10.08.1989 | [1989/18] | Type: | A1 Application with search report | No.: | EP0356511 | Date: | 07.03.1990 | Language: | EN | The application published by WIPO in one of the EPO official languages on 10.08.1989 takes the place of the publication of the European patent application. | [1990/10] | Type: | B1 Patent specification | No.: | EP0356511 | Date: | 13.07.1994 | Language: | EN | [1994/28] | Search report(s) | International search report - published on: | EP | 08.09.1989 | Classification | IPC: | H01L27/02, H01L29/78 | [1994/28] | CPC: |
H01L27/0251 (EP,US);
H01L21/02 (KR)
|
| Former IPC [1990/10] | H01L21/02, H01L29/78 | Designated contracting states | BE, DE, FR, GB, NL [1990/10] | Title | German: | ESD-SCHUTZSCHALTUNG MIT KANALVERARMUNG | [1990/10] | English: | ESD PROTECTION CIRCUIT EMPLOYING CHANNEL DEPLETION | [1990/10] | French: | CIRCUIT DE PROTECTION CONTRE LES DECHARGES ELECTROSTATIQUES FAISANT APPEL A UN APPAUVRISSEMENT DES CANAUX | [1990/10] | Entry into regional phase | 10.08.1989 | National basic fee paid | 10.08.1989 | Designation fee(s) paid | 27.03.1990 | Examination fee paid | Examination procedure | 27.03.1990 | Examination requested [1990/21] | 22.10.1992 | Despatch of a communication from the examining division (Time limit: M04) | 20.02.1993 | Reply to a communication from the examining division | 19.03.1993 | Despatch of a communication from the examining division (Time limit: M04) | 21.07.1993 | Reply to a communication from the examining division | 21.09.1993 | Despatch of communication of intention to grant (Approval: Yes) | 27.12.1993 | Communication of intention to grant the patent | 24.03.1994 | Fee for grant paid | 24.03.1994 | Fee for publishing/printing paid | Opposition(s) | 14.04.1995 | No opposition filed within time limit [1995/27] | Fees paid | Renewal fee | 31.12.1990 | Renewal fee patent year 03 | 30.12.1991 | Renewal fee patent year 04 | 22.12.1992 | Renewal fee patent year 05 | 20.12.1993 | Renewal fee patent year 06 | Penalty fee | Penalty fee Rule 85b EPC 1973 | 16.03.1990 | M01 Fee paid on 27.03.1990 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | BE | 13.07.1994 | NL | 13.07.1994 | [1995/15] |
| Former [1995/12] | BE | 13.07.1994 | Cited in | International search | JP62101067 [ ]; | US3590340 [ ] (KUBO MASAHARU, et al); | US4117587 [ ] (KANO GOTA, et al) | [ ] - PATENT ABSTRACTS OF JAPAN, Vol. 11, No. 309 (E-547) (2756), 8 October 1987; & JP-A-62101067 (Nec Corp.) 11 May 1987, & JP62101067 A 19870511 |