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EP0536348
European procedure
Extract from the Register of European Patents
EP About this file: EP0536348
| EP0536348 - SECURITY DEVICE FOR RING NETWORK [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.03.1997 Database last updated on 17.08.2024 | Most recent event Tooltip | 14.03.1997 | No opposition filed within time limit | published on 02.05.1997 [1997/18] | Applicant(s) | For all designated states 3COM IRELAND Upland House P.O. Box 309 George Town Grand Cayman / KY | [N/P] |
| Former [1994/43] | For all designated states 3COM IRELAND Ugland House P.O. Box 309 George Town Grand Cayman / KY | ||
| Former [1994/27] | For all designated states 3COM TECHNOLOGIES LIMITED P.O. Box 309 Grand Cayman / KY | ||
| Former [1993/15] | For all designated states 3COM TECHNOLOGIES LIMITED P.O. Box 309 Grand Cayman / KY | ||
| For all designated states SONI, Dipak, Mohanlal 13 Rosaline Road London SW6 7QS / GB | Inventor(s) | 01 /
SONI, Dipak, Mohanlal 13 Rosaline Road London SW6 7QS / GB | [1993/15] | Representative(s) | Crawford, Andrew Birkby, et al A.A. Thornton & Co. 235 High Holborn London WC1V 7LE / GB | [N/P] |
| Former [1994/43] | Crawford, Andrew Birkby, et al A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC1V 7LE / GB | ||
| Former [1993/15] | Crawford, Andrew Birkby A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC1V 7LE / GB | Application number, filing date | 92907275.9 | 30.03.1992 | [1993/15] | WO1992GB00543 | Priority number, date | GB19910006675 | 28.03.1991 Original published format: GB 9106675 | [1993/15] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9217960 | Date: | 15.10.1992 | Language: | EN | [1992/26] | Type: | A1 Application with search report | No.: | EP0536348 | Date: | 14.04.1993 | Language: | EN | The application published by WIPO in one of the EPO official languages on 15.10.1992 takes the place of the publication of the European patent application. | [1993/15] | Type: | B1 Patent specification | No.: | EP0536348 | Date: | 08.05.1996 | Language: | EN | [1996/19] | Search report(s) | International search report - published on: | EP | 15.10.1992 | Classification | IPC: | H04L12/22 | [1993/15] | CPC: |
H04L63/00 (EP,US);
H04L12/22 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, MC, NL, SE [1993/15] | Title | German: | Sicherheitsgerät für Ringnetzwerk | [1993/15] | English: | SECURITY DEVICE FOR RING NETWORK | [1993/15] | French: | RESEAUX DE DONNEES | [1993/15] | Entry into regional phase | 23.12.1992 | National basic fee paid | 23.12.1992 | Designation fee(s) paid | 23.12.1992 | Examination fee paid | Examination procedure | 28.12.1992 | Examination requested [1993/15] | 19.06.1995 | Despatch of communication of intention to grant (Approval: Yes) | 26.10.1995 | Communication of intention to grant the patent | 16.01.1996 | Fee for grant paid | 16.01.1996 | Fee for publishing/printing paid | Opposition(s) | 11.02.1997 | No opposition filed within time limit [1997/18] | Fees paid | Renewal fee | 27.04.1994 | Renewal fee patent year 03 | 09.03.1995 | Renewal fee patent year 04 | 08.03.1996 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 01.04.1994 | 03 M06 Fee paid on 27.04.1994 |
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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 | [AP]DE4007352 (SIEMENS NIXDORF INF SYST [DE]) | [A] - PROCEEDINGS OF THE NATIONAL COMMUNICATIONS FORUM vol. 41, no. 1, 1987, CHICAGO, ILL., US pages 56 - 59; D. B. HOLDEN: 'Local Area Network Security' |