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EP0247399
European procedure
Extract from the Register of European Patents
EP About this file: EP0247399
| EP0247399 - Circuit arrangement for the overload protection of a push-pull end stage [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.04.1992 Database last updated on 26.03.2025 | Most recent event Tooltip | 16.04.1992 | No opposition filed within time limit | published on 03.06.1992 [1992/23] | Applicant(s) | For all designated states Deutsche Thomson-Brandt GmbH Postfach 1307 78003 Villingen-Schwenningen / DE | [N/P] |
| Former [1987/49] | For all designated states Deutsche Thomson-Brandt GmbH Postfach 1307 D-78003 Villingen-Schwenningen / DE | Inventor(s) | 01 /
Schmitz, Friedrich Sebastian-Kneipp-Strasse 24 D-7730 Villingen-Schwenningen / DE | [1987/49] | Application number, filing date | 87106546.2 | 06.05.1987 | [1987/49] | Priority number, date | DE19863617476 | 23.05.1986 Original published format: DE 3617476 | DE19863632077 | 20.09.1986 Original published format: DE 3632077 | [1987/49] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0247399 | Date: | 02.12.1987 | Language: | DE | [1987/49] | Type: | B1 Patent specification | No.: | EP0247399 | Date: | 12.06.1991 | Language: | DE | [1991/24] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.10.1987 | Classification | IPC: | H03F1/52, H03F1/30 | [1987/49] | CPC: |
H03F1/307 (EP);
H03F1/52 (EP)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, LU, NL, SE [1987/49] | Title | German: | Schaltungsanordnung zum Schutz vor Überlastung einer Gegentaktendstufe | [1987/49] | English: | Circuit arrangement for the overload protection of a push-pull end stage | [1987/49] | French: | Montage pour la protection contre la surcharge d'un étage de sortie du type "push-pull" | [1987/49] | Examination procedure | 18.12.1987 | Examination requested [1988/07] | 04.04.1990 | Despatch of a communication from the examining division (Time limit: M04) | 03.08.1990 | Reply to a communication from the examining division | 31.08.1990 | Despatch of communication of intention to grant (Approval: Yes) | 10.12.1990 | Communication of intention to grant the patent | 15.12.1990 | Fee for grant paid | 15.12.1990 | Fee for publishing/printing paid | Opposition(s) | 13.03.1992 | No opposition filed within time limit [1992/23] | Fees paid | Renewal fee | 07.07.1989 | Renewal fee patent year 03 | 12.04.1990 | Renewal fee patent year 04 | 11.12.1990 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 31.05.1989 | 03 M06 Fee paid on 07.07.1989 |
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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]DE2629497 (SIEMENS AG); | [Y]US4356452 (IWAMATSU MASAYUKI); | [A]DE3150371 (GULCZYNSKI ZDZISLAW DIPL ING [DE]); | [A]GB2069272 (TOKYO SHIBAURA ELECTRIC CO); | [A]FR2237342 (SONY CORP [JP]) |