EP0487585 - VIDEO FILTER [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.11.1995 Database last updated on 06.11.2024 | Most recent event Tooltip | 16.10.2009 | Change - representative | published on 18.11.2009 [2009/47] | Applicant(s) | For all designated states BRITISH TELECOMMUNICATIONS public limited company 81 Newgate Street London EC1A 7AJ / GB | [N/P] |
Former [1993/28] | For all designated states BRITISH TELECOMMUNICATIONS public limited company 81 Newgate Street London EC1A 7AJ / GB | ||
Former [1992/23] | For all designated states BRITISH TELECOMMUNICATIONS public limited company 81 Newgate Street London EC1A 7AJ / GB | Inventor(s) | 01 /
WHYBRAY, Michael, William White House The Street Nacton, Ipswich Suffolk IP10 OHD / GB | 02 /
HOPPER, Robert, William 46 Sidegate Lane Ipswich Suffolk IP4 4HX / GB | [1992/23] | Representative(s) | Roberts, Simon Christopher, et al BT Group Legal Intellectual Property Department PP C5A. BT Centre 81 Newgate Street, London EC1A 7AJ / GB | [N/P] |
Former [2009/47] | Roberts, Simon Christopher, et al BT Group Legal Intellectual Property Department PP C5A. BT Centre 81 Newgate Street London EC1A 7AJ / GB | ||
Former [1993/42] | Roberts, Simon Christopher, et al BT Group Legal Services Intellectual Property Department 151 Gower Street London WC1E 6BA / GB | ||
Former [1992/23] | Greenwood, John David British Telecom Intellectual Property Unit 151 Gower Street London WC1E 6BA / GB | Application number, filing date | 90912548.6 | 09.08.1990 | [1992/23] | WO1990GB01252 | Priority number, date | GB19890018559 | 15.08.1989 Original published format: GB 8918559 | [1992/23] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9103123 | Date: | 07.03.1991 | Language: | EN | [1991/06] | Type: | A1 Application with search report | No.: | EP0487585 | Date: | 03.06.1992 | Language: | EN | The application published by WIPO in one of the EPO official languages on 07.03.1991 takes the place of the publication of the European patent application. | [1992/23] | Type: | B1 Patent specification | No.: | EP0487585 | Date: | 25.01.1995 | Language: | EN | [1995/04] | Search report(s) | International search report - published on: | EP | 07.03.1991 | Classification | IPC: | H04N5/21 | [1992/23] | CPC: |
H04N5/21 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, IT, LI, LU, NL, SE [1992/23] | Title | German: | VIDEOFILTER | [1992/23] | English: | VIDEO FILTER | [1992/23] | French: | FILTRE VIDEO | [1992/23] | Entry into regional phase | 24.01.1992 | National basic fee paid | 24.01.1992 | Designation fee(s) paid | 24.01.1992 | Examination fee paid | Examination procedure | 15.02.1990 | Request for preliminary examination filed International Preliminary Examining Authority: GB | 24.01.1992 | Examination requested [1992/23] | 15.03.1994 | Despatch of communication of intention to grant (Approval: No) | 25.07.1994 | Despatch of communication of intention to grant (Approval: later approval) | 01.08.1994 | Communication of intention to grant the patent | 07.11.1994 | Fee for grant paid | 07.11.1994 | Fee for publishing/printing paid | Opposition(s) | 26.10.1995 | No opposition filed within time limit [1996/03] | Fees paid | Renewal fee | 02.07.1992 | Renewal fee patent year 03 | 15.07.1993 | Renewal fee patent year 04 | 04.07.1994 | Renewal fee patent year 05 |
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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 | [ ] - Proceedings of the I.E.E..-G, Volume 127, No. 2, April 1980, (Stevenage GB), T.J. DENNIS: "Nonlinear Temporal Filter for Television Picture Noise Reduction", pages 52-56 see page 52, left-hand column, line 11 - page 53, right-hand columnline 13 |