-
EP0421559
European procedure
Extract from the Register of European Patents
EP About this file: EP0421559
| EP0421559 - Device for modifying the dynamic range of an input signal [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.11.1998 Database last updated on 18.11.2024 | Most recent event Tooltip | 20.11.1998 | No opposition filed within time limit | published on 07.01.1999 [1999/01] | Applicant(s) | For all designated states Dolby, Ray Milton 3340 Jackson Street San Francisco California 94118 / US | [N/P] |
| Former [1991/15] | For all designated states Dolby, Ray Milton 3340 Jackson Street San Francisco California 94118 / US | Inventor(s) | 01 /
see applicant ... | [1991/15] | Representative(s) | Abnett, Richard Charles, et al Reddie & Grose 16 Theobalds Road London WC1X 8PL / GB | [N/P] |
| Former [1998/03] | Abnett, Richard Charles, et al REDDIE & GROSE 16 Theobalds Road London WC1X 8PL / GB | ||
| Former [1991/15] | Abnett, Richard Charles REDDIE & GROSE 16 Theobalds Road London WC1X 8PL / GB | Application number, filing date | 90203485.9 | 03.03.1987 | [1991/15] | Priority number, date | US19860835245 | 03.03.1986 Original published format: US 835245 | US19860835243 | 03.03.1986 Original published format: US 835243 | US19870014620 | 25.02.1987 Original published format: US 14620 | [1991/15] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0421559 | Date: | 10.04.1991 | Language: | EN | [1991/15] | Type: | A3 Search report | No.: | EP0421559 | Date: | 12.06.1991 | Language: | EN | [1991/24] | Type: | B1 Patent specification | No.: | EP0421559 | Date: | 14.01.1998 | Language: | EN | [1998/03] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.04.1991 | Classification | IPC: | H03G7/00, H03G9/18, H03G9/02 | [1991/28] | CPC: |
H03G7/004 (EP);
H03H11/24 (KR);
H03G9/025 (EP);
H03G9/18 (EP);
H03H11/245 (EP)
|
| Former IPC [1991/15] | H03G7/00, H03G9/18 | Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL, SE [1991/15] | Title | German: | Schaltungsanordnung zum Abändern des Dynamikbereiches eines Signals | [1991/15] | English: | Device for modifying the dynamic range of an input signal | [1991/15] | French: | Circuit pour modifier l'étendue de dynamique d'un signal | [1991/15] | Examination procedure | 03.10.1991 | Examination requested [1991/48] | 05.04.1994 | Despatch of a communication from the examining division (Time limit: M06) | 14.10.1994 | Reply to a communication from the examining division | 13.10.1995 | Despatch of a communication from the examining division (Time limit: M06) | 19.04.1996 | Reply to a communication from the examining division | 20.01.1997 | Despatch of communication of intention to grant (Approval: Yes) | 26.05.1997 | Communication of intention to grant the patent | 08.08.1997 | Fee for grant paid | 08.08.1997 | Fee for publishing/printing paid | Parent application(s) Tooltip | EP87301845.1 / EP0236122 | Opposition(s) | 15.10.1998 | No opposition filed within time limit [1999/01] | Fees paid | Renewal fee | 21.12.1990 | Renewal fee patent year 03 | 21.12.1990 | Renewal fee patent year 04 | 21.12.1990 | Renewal fee patent year 05 | 13.03.1992 | Renewal fee patent year 06 | 09.03.1993 | Renewal fee patent year 07 | 09.03.1994 | Renewal fee patent year 08 | 09.03.1995 | Renewal fee patent year 09 | 08.03.1996 | Renewal fee patent year 10 | 12.03.1997 | Renewal fee patent year 11 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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]LU83854 (DOLBY RAY MILTON [US]); | [A]US3665345 (DOLBY RAY MILTON) |