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EP0527800
European procedure
Extract from the Register of European Patents
EP About this file: EP0527800
| EP0527800 - AC POWER CONDITIONING CIRCUIT [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.05.1997 Database last updated on 02.11.2024 | Most recent event Tooltip | 23.05.1997 | No opposition filed within time limit | published on 09.07.1997 [1997/28] | Applicant(s) | For all designated states USES, INC. 152 Old Colchester Road, P.O. Box 156 Quaker Hill, CT 06375 / US | [1993/08] | Inventor(s) | 01 /
WOHLFORTH, E., Brian 152 Old Colchester Road Quaker Hill, CT 06375 / US | [1993/08] | Representative(s) | Weller, Wolfgang, et al Witte, Weller, Gahlert, Otten & Steil Patentanwälte Rotebühlstrasse 121 70178 Stuttgart / DE | [N/P] |
| Former [1993/08] | Weller, Wolfgang, Dr.rer.nat., et al Witte, Weller, Gahlert & Otten Patentanwälte Rotebühlstrasse 121 D-70178 Stuttgart / DE | Application number, filing date | 91908288.3 | 16.04.1991 | [1993/08] | WO1991US02605 | Priority number, date | US19900521577 | 10.05.1990 Original published format: US 521577 | [1993/08] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9117492 | Date: | 14.11.1991 | Language: | EN | [1991/26] | Type: | A1 Application with search report | No.: | EP0527800 | Date: | 24.02.1993 | Language: | EN | The application published by WIPO in one of the EPO official languages on 14.11.1991 takes the place of the publication of the European patent application. | [1993/08] | Type: | B1 Patent specification | No.: | EP0527800 | Date: | 17.07.1996 | Language: | EN | [1996/29] | Search report(s) | International search report - published on: | US | 14.11.1991 | (Supplementary) European search report - dispatched on: | EP | 22.03.1993 | Classification | IPC: | G05F1/70, H02H9/00, H02H3/22, H01F5/00, H02J3/18 | [1996/29] | CPC: |
H02J3/1821 (EP,US);
Y02E40/30 (EP,US)
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| Former IPC [1993/08] | G05F1/70, H02H9/00, H02H3/22, H01F5/00 | Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE [1993/08] | Title | German: | AC-LEISTUNGSBEHANDLUNGSSCHALTUNG | [1993/08] | English: | AC POWER CONDITIONING CIRCUIT | [1993/08] | French: | CIRCUIT DE CONDITIONNEMENT DE COURANT ALTERNATIF | [1993/08] | Entry into regional phase | 06.11.1992 | National basic fee paid | 06.11.1992 | Search fee paid | 06.11.1992 | Designation fee(s) paid | 06.11.1992 | Examination fee paid | Examination procedure | 26.11.1991 | Request for preliminary examination filed International Preliminary Examining Authority: GB | 06.11.1992 | Examination requested [1993/08] | 08.02.1994 | Despatch of a communication from the examining division (Time limit: M06) | 21.07.1994 | Reply to a communication from the examining division | 20.12.1994 | Despatch of a communication from the examining division (Time limit: M04) | 08.04.1995 | Reply to a communication from the examining division | 07.07.1995 | Despatch of communication of intention to grant (Approval: Yes) | 24.10.1995 | Communication of intention to grant the patent | 10.01.1996 | Fee for grant paid | 10.01.1996 | Fee for publishing/printing paid | Opposition(s) | 18.04.1997 | No opposition filed within time limit [1997/28] | Fees paid | Renewal fee | 21.04.1993 | Renewal fee patent year 03 | 21.04.1994 | Renewal fee patent year 04 | 21.04.1995 | Renewal fee patent year 05 | 20.04.1996 | 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]US4019124 (MOLTGEN GOTTFRIED); | [A]GB2115627 (TRANSTAR LIMITED) | International search | [A]US4117524 (PARTON KENNETH CHARLES, et al); | [A]US4531085 (MESENHIMER LEE O [US]); | [X]DE3508495 (HUETTLINGER JOHANN LEONHARD); | [A]US4672298 (ROHATYN FREDERICK [US]); | [T]US5012218 (HAUG ROBERT [FR], et al) |