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EP0045310
European procedure
Extract from the Register of European Patents
EP About this file: EP0045310
| EP0045310 - CONTROL CIRCUITRY USING A PULL-DOWN TRANSISTOR FOR HIGH VOLTAGE SOLID-STATE SWITCHES [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 15.06.1987 Database last updated on 06.07.2024 | Most recent event Tooltip | 15.06.1987 | No opposition filed within time limit | published on 05.08.1987 [1987/32] | Applicant(s) | For all designated states Western Electric Company, Incorporated 222 Broadway New York, NY 10038 / US | [1983/10] |
| Former [1982/06] | For all designated states Western Electric Company, Incorporated 222 Broadway New York, N.Y. 10038 / US | Inventor(s) | 01 /
DAVIS, James Alvin 547 Prince Edward Road Glen Ellyn, IL 60137 / US | 02 /
MACPHERSON, William Frederick 27W 184 Wallace Road Wheaton, IL 60187 / US | 03 /
SHACKLE, Peter William 234, Ohio Street West Melborne, Florida 32901 / US | [1986/34] |
| Former [1982/15] | 01 /
DAVIS, James Alvin 547 Prince Edward Road Glen Ellyn, IL 60137 / US | ||
| 02 /
MACPHERSON, William Frederick 27W 184 Wallace Road Wheaton, IL 60187 / US | |||
| 03 /
SHACKLE, Peter William 234, Ohio Street Bridgewater, NJ 08807 / US | |||
| Former [1982/06] | 01 /
DAVIS, James Alvin 547 Prince Edward Road Glen Ellyn, IL 60137 / US | ||
| 02 /
MACPHERSON, William Frederick 27W 184 Wallace Road Wheaton, IL 60187 / US | |||
| 03 /
SHACKLE, Peter William 1395 Croyden Road Bridgewater, NJ 08807 / US | Representative(s) | Buckley, Christopher Simon Thirsk, et al Lucent Technologies Inc., 5 Mornington Road Woodford Green Essex IG8 0TU / GB | [N/P] |
| Former [1982/06] | Buckley, Christopher Simon Thirsk, et al AT&T (UK) Ltd. 5 Mornington Road Woodford Green Essex IG8 0TU / GB | Application number, filing date | 81900372.4 | 22.12.1980 | [1982/06] | WO1980US01696 | Priority number, date | US19790107778 | 28.12.1979 Original published format: US 107778 | [1982/06] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | WO8101925 | Date: | 09.07.1981 | [1981/16] | Type: | A1 Application with search report | No.: | EP0045310 | Date: | 10.02.1982 | Language: | EN | The application published by WIPO in one of the EPO official languages on 09.07.1981 takes the place of the publication of the European patent application. | [1982/06] | Type: | B1 Patent specification | No.: | EP0045310 | Date: | 20.08.1986 | Language: | EN | [1986/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 29.04.1982 | Classification | IPC: | H03K17/60, H03K3/35, H03K3/353, H01L29/80, H01L29/74, H01L29/12 | [1982/06] | CPC: |
H03K17/567 (EP,US);
H03K17/51 (KR);
H01L27/0817 (EP,US)
| Designated contracting states | DE, FR, GB, NL, SE [1982/06] | Title | German: | STEUERSCHALTUNG MIT EINEM ABSENKUNGSTRANSISTOR FÜR HOCHSPANNUNGSHALBLEITERSCHALTER | [1982/06] | English: | CONTROL CIRCUITRY USING A PULL-DOWN TRANSISTOR FOR HIGH VOLTAGE SOLID-STATE SWITCHES | [1982/06] | French: | CIRCUIT DE COMMANDE UTILISANT UN TRANSISTOR DE RABATTEMENT POUR DES COMMUTATEURS A SEMI-CONDUCTEURS DE HAUTE TENSION | [1982/06] | File destroyed: | 15.01.2000 | Entry into regional phase | 19.08.1981 | National basic fee paid | 19.08.1981 | Search fee paid | 19.08.1981 | Designation fee(s) paid | 14.12.1981 | Examination fee paid | Examination procedure | 16.12.1981 | Examination requested [1982/09] | 30.09.1983 | Despatch of a communication from the examining division (Time limit: M04) | 10.01.1984 | Reply to a communication from the examining division | 06.07.1984 | Despatch of a communication from the examining division (Time limit: M04) | 30.10.1984 | Reply to a communication from the examining division | 10.06.1985 | Despatch of a communication from the examining division (Time limit: M04) | 02.10.1985 | Reply to a communication from the examining division | 02.01.1986 | Despatch of communication of intention to grant (Approval: ) | 10.02.1986 | Communication of intention to grant the patent | 08.04.1986 | Fee for grant paid | 08.04.1986 | Fee for publishing/printing paid | Opposition(s) | 21.05.1987 | No opposition filed within time limit [1987/32] | Fees paid | Renewal fee | 17.12.1982 | Renewal fee patent year 03 | 14.12.1983 | Renewal fee patent year 04 | 13.12.1984 | Renewal fee patent year 05 | 09.12.1985 | 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. | Cited in | International search | [X]US3891866 (OKUHARA SHINZI, et al); | [A]US4060821 (HOUSTON DOUGLAS E, et al); | [X]US4117350 (KALFUS MARTIN AARON, et al); | [A]US4132996 (BALIGA B JAYANT); | [XP]US4224634 (SVEDBERG PER); | [AT]US4242697 (BERTHOLD JOSEPH E [US], et al) | Examination | - General Electric "SCR MANUAL" sixth edition 1979, p. 199 |