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EP0057025
European procedure
Extract from the Register of European Patents
EP About this file: EP0057025
| EP0057025 - Switching circuit [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.07.1986 Database last updated on 19.10.2024 | Most recent event Tooltip | 10.07.1986 | No opposition filed within time limit | published on 27.08.1986 [1986/35] | Applicant(s) | For all designated states Koninklijke Philips Electronics N.V. Groenewoudseweg 1 5621 BA Eindhoven / NL | [N/P] |
| Former [1985/41] | For all designated states Philips Electronics N.V. Groenewoudseweg 1 NL-5621 BA Eindhoven / NL | ||
| Former [1982/31] | For all designated states North American Philips Corporation 100 East 42nd Street 9th Floor New York, N.Y. 10017 / US | Inventor(s) | 01 /
Puar, Deepraj Singh c/o Int. Octrooibureau B.V. Prof.Holstlaan 6 NL-5656 AA Eindhoven / NL | [1982/31] | Representative(s) | van Schaik, Johannes Wilhelmus, et al INTERNATIONAAL OCTROOIBUREAU B.V. Prof. Holstlaan 6 NL-5656 AA Eindhoven / NL | [N/P] |
| Former [1985/41] | Van Schaik, Johannes Wilhelmus, et al INTERNATIONAAL OCTROOIBUREAU B.V. Prof. Holstlaan 6 NL-5656 AA Eindhoven / NL | ||
| Former [1982/31] | Beckers, Hubertus Franciscus Maria INTERNATIONAAL OCTROOIBUREAU B.V., Prof. Holstlaan 6 NL-5656 AA Eindhoven / NL | Application number, filing date | 82200026.1 | 12.01.1982 | [1982/31] | Priority number, date | US19810227335 | 22.01.1981 Original published format: US 227335 | [1982/31] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0057025 | Date: | 04.08.1982 | Language: | EN | [1982/31] | Type: | A3 Search report | No.: | EP0057025 | Date: | 29.12.1982 | Language: | EN | [1982/52] | Type: | B1 Patent specification | No.: | EP0057025 | Date: | 11.09.1985 | Language: | EN | [1985/37] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.10.1982 | Classification | IPC: | H03K17/04, H03K19/017, G11C8/00, G11C7/06 | [1983/29] | CPC: |
G11C7/12 (EP);
H03K17/00 (KR);
G11C8/08 (EP);
G11C8/18 (EP);
H03K17/04123 (EP);
H03K19/01714 (EP);
H03K19/01721 (EP)
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| Former IPC [1982/31] | H03K17/04, H03K19/017, G11C7/06 | Designated contracting states | DE, FR, GB, IT [1982/31] | Title | German: | Schaltkreis | [1982/31] | English: | Switching circuit | [1982/31] | French: | Circuit de commutation | [1982/31] | Examination procedure | 12.01.1982 | Examination requested [1982/31] | 14.10.1983 | Despatch of a communication from the examining division (Time limit: M06) | 23.03.1984 | Reply to a communication from the examining division | 04.05.1984 | Despatch of a communication from the examining division (Time limit: M06) | 22.08.1984 | Reply to a communication from the examining division | 29.10.1984 | Despatch of communication of intention to grant (Approval: ) | 25.01.1985 | Communication of intention to grant the patent | 22.04.1985 | Fee for grant paid | 22.04.1985 | Fee for publishing/printing paid | Opposition(s) | 12.06.1986 | No opposition filed within time limit [1986/35] | Fees paid | Renewal fee | 10.12.1983 | Renewal fee patent year 03 | 16.01.1985 | Renewal fee patent year 04 |
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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]US4048518 (KOO JAMES T); | [A]US4145622 (HOFMANN RUEDIGER, et al); | [A]US3995171 (SONODA GEORGE); | [A]US4087704 (MEHTA RUSTAM J, et al) | [A] - ELECTRONICS INTERNATIONAL Vol. 53, No. 20, September 1980, New York R. SUD et al. "16-K Static RAM Takes New Route to High Speed" pages 117 to 123 |