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EP0122096
European procedure
Extract from the Register of European Patents
EP About this file: EP0122096
| EP0122096 - Chrominance inverting all-pass filter [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.06.1991 Database last updated on 15.05.2024 | Most recent event Tooltip | 22.06.1991 | No opposition filed within time limit | published on 14.08.1991 [1991/33] | Applicant(s) | For all designated states AMPEX CORPORATION 401 Broadway M.S. 3-35 Redwood City California 94063-3199 / US | [N/P] |
| Former [1984/42] | For all designated states AMPEX CORPORATION 401 Broadway M.S. 3-35 Redwood City California 94063-3199 / US | Inventor(s) | 01 /
Trytko, David E 820 Regulus Street Foster City, California / US | 02 /
Wagner, Steven D. 1044 Wunderlich Drive San Jose California / US | [1984/42] | Representative(s) | Horton, Andrew Robert Grant, et al Bowles Horton Felden House Dower Mews High Street Berkhamsted, Hertfordshire HP4 2BL / GB | [N/P] |
| Former [1984/42] | Horton, Andrew Robert Grant, et al BOWLES HORTON Felden House Dower Mews High Street Berkhamsted Hertfordshire HP4 2BL / GB | Application number, filing date | 84302205.4 | 30.03.1984 | [1984/42] | Priority number, date | US19830483328 | 08.04.1983 Original published format: US 483328 | [1984/42] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0122096 | Date: | 17.10.1984 | Language: | EN | [1984/42] | Type: | A3 Search report | No.: | EP0122096 | Date: | 26.11.1986 | Language: | EN | [1986/48] | Type: | B1 Patent specification | No.: | EP0122096 | Date: | 22.08.1990 | Language: | EN | [1990/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.10.1986 | Classification | IPC: | H04N9/64, H04N9/79, H03H7/00 | [1990/34] | CPC: |
H04N9/882 (EP,US);
H04N9/64 (EP,US);
H04N9/873 (EP,US)
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| Former IPC [1986/48] | H04N9/535, H04N9/79, H03H7/00 | ||
| Former IPC [1986/47] | H04N9/535, H03H7/00, H03H7/00 | ||
| Former IPC [1984/42] | H04N9/535, H03H7/00 | Designated contracting states | CH, DE, FR, GB, LI, NL [1984/42] | Title | German: | Chrominanz-invertierendes Allpassfilter | [1984/42] | English: | Chrominance inverting all-pass filter | [1984/42] | French: | Filtre passe-tout à inversion de chrominance | [1984/42] | File destroyed: | 15.01.2000 | Examination procedure | 31.03.1987 | Examination requested [1987/25] | 02.05.1989 | Despatch of a communication from the examining division (Time limit: M06) | 25.11.1989 | Reply to a communication from the examining division | 15.01.1990 | Despatch of communication of intention to grant (Approval: Yes) | 15.02.1990 | Communication of intention to grant the patent | 17.04.1990 | Fee for grant paid | 17.04.1990 | Fee for publishing/printing paid | Opposition(s) | 23.05.1991 | No opposition filed within time limit [1991/33] | Request for further processing for: | 25.11.1989 | Request for further processing filed | 25.11.1989 | Full payment received (date of receipt of payment) Request granted | 13.12.1989 | Decision despatched | Fees paid | Renewal fee | 15.03.1986 | Renewal fee patent year 03 | 09.03.1987 | Renewal fee patent year 04 | 07.03.1988 | Renewal fee patent year 05 | 13.03.1989 | Renewal fee patent year 06 | 15.03.1990 | Renewal fee patent year 07 |
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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 | [AD]US4251831 (KAMATH BANTVAL Y); | [A]US4272785 (FUHRER JACK S) |