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EP0432973
European procedure
Extract from the Register of European Patents
EP About this file: EP0432973
| EP0432973 - Reflection sound compression apparatus [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.12.1997 Database last updated on 08.06.2024 | Most recent event Tooltip | 24.12.1997 | No opposition filed within time limit | published on 11.02.1998 [1998/07] | Applicant(s) | For all designated states MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1006, Oaza Kadoma Kadoma-shi Osaka 571-8501 / JP | [N/P] |
| Former [1991/25] | For all designated states MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1006, Ohaza Kadoma Kadoma-shi, Osaka-fu, 571 / JP | Inventor(s) | 01 /
Matsumoto, Masaharu 6-3-103, Myoken-zaka Katano-shi, Osaka-fu 576 / JP | 02 /
Serikawa, Mitsuhiko 5-6, C23-202, Kourigaoka Hirakata-shi, Osaka-fu 573 / JP | 03 /
Kawamura, Akihisa 1-18-21-504, Higashinakaburi Hirakata-shi, Osaka-fu 573 / JP | 04 /
Numazu, Hiroko 5-22-206 Kakinchicho Kadoma-shi, Osaka-fu 571 / JP | 05 /
Sato, Katsuaki 3-5-20, Taishibashi, Asahi-ku Osaka-shi, Osaka-fu 535 / JP | [1991/25] | Representative(s) | Crawford, Andrew Birkby, et al A.A. Thornton & Co. 235 High Holborn London WC1V 7LE / GB | [N/P] |
| Former [1991/25] | Crawford, Andrew Birkby, et al A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC1V 7LE / GB | Application number, filing date | 90313341.1 | 07.12.1990 | [1991/25] | Priority number, date | JP19890322130 | 12.12.1989 Original published format: JP 32213089 | [1991/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0432973 | Date: | 19.06.1991 | Language: | EN | [1991/25] | Type: | A3 Search report | No.: | EP0432973 | Date: | 30.09.1992 | Language: | EN | [1992/40] | Type: | B1 Patent specification | No.: | EP0432973 | Date: | 19.02.1997 | Language: | EN | [1997/08] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.08.1992 | Classification | IPC: | G10K15/08, E04B1/99 | [1991/25] | CPC: |
E04B1/99 (EP,US);
G10K15/08 (EP,US)
| Designated contracting states | DE, FR, GB, NL [1991/25] | Title | German: | Reflektionsschall-Kompressionsgerät | [1991/25] | English: | Reflection sound compression apparatus | [1991/25] | French: | Dispositif de compression de son réfléchi | [1991/25] | Examination procedure | 23.03.1993 | Examination requested [1993/21] | 10.05.1995 | Despatch of a communication from the examining division (Time limit: M06) | 17.11.1995 | Reply to a communication from the examining division | 18.03.1996 | Despatch of communication of intention to grant (Approval: Yes) | 21.06.1996 | Communication of intention to grant the patent | 11.09.1996 | Fee for grant paid | 11.09.1996 | Fee for publishing/printing paid | Opposition(s) | 20.11.1997 | No opposition filed within time limit [1998/07] | Fees paid | Renewal fee | 11.12.1992 | Renewal fee patent year 03 | 13.12.1993 | Renewal fee patent year 04 | 07.12.1994 | Renewal fee patent year 05 | 08.12.1995 | Renewal fee patent year 06 | 11.12.1996 | 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 | [A]EP0335468 (BIRCH WOOD ACOUSTICS NEDERLAND [NL]) | [A] - ICASSP'88, New York, 11th - 14th April 1988, vol. III, pages 1572-1575; A. GILLOIRE et al.: "Adaptive filtering in sub-bands" | [A] - IEEE/IEICE GLOBAL TELECOMMUNICATIONS CONFERENCE, Tokyo, 15th - 18th November 1987, vol. 3, pages 49.7.1 - 49.7.5; K. KUROSAWA et al.: "A geometric interpretation of adaptive algorithms" | [A] - ELEKTOR, vol. 5, no. 2, February 1979, pages 2.11 - 2.19, Canterbury, GB; ANONYME: "Delay lines" |