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EP0449853
European procedure
Extract from the Register of European Patents
EP About this file: EP0449853
| EP0449853 - SELF-COMPENSATING HIGH DENSITY DATA RECORDING AND DETECTION METHOD [Right-click to bookmark this link] | |||
| Former [1991/41] | SELF-COMPENSATING HIGH DENSITY DATA RECORDING AND DETECTION SCHEME | ||
| [1995/08] | Status | No opposition filed within time limit Status updated on 08.01.1996 Database last updated on 24.08.2024 | Most recent event Tooltip | 13.06.2008 | Change - representative | published on 16.07.2008 [2008/29] | Applicant(s) | For all designated states BRIER TECHNOLOGY 2363 Bering Drive San Jose, CA 95131 / US | [1991/41] | Inventor(s) | 01 /
BIZJAK, John 5896 Porto Alegre San Jose, CA 95120 / US | 02 /
HASSEL, Michael 307 North Temple Milpitas, CA 95035 / US | 03 /
NIEMANN, David 3482 Cooper Drive Santa Clara, CA 95051 / US | [1991/41] | Representative(s) | Zenz, Joachim Klaus, et al ZENZ Patent- und Rechtsanwälte Rüttenscheider Strasse 2 45128 Essen / DE | [N/P] |
| Former [2008/29] | Zenz, Joachim Klaus, et al ZENZ Patent- und Rechtsanwälte Huyssenallee 58-64 45128 Essen / DE | ||
| Former [1991/41] | Zenz, Joachim Klaus, Dipl.-Ing., et al Zenz, Helber, Hosbach & Partner Patentanwälte Am Ruhrstein 1 D-45133 Essen / DE | Application number, filing date | 89913192.4 | 13.11.1989 | [1991/41] | WO1989US05120 | Priority number, date | US19880270748 | 14.11.1988 Original published format: US 270748 | [1991/41] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9005975 | Date: | 31.05.1990 | Language: | EN | [1990/12] | Type: | A1 Application with search report | No.: | EP0449853 | Date: | 09.10.1991 | Language: | EN | The application published by WIPO in one of the EPO official languages on 31.05.1990 takes the place of the publication of the European patent application. | [1991/41] | Type: | B1 Patent specification | No.: | EP0449853 | Date: | 22.02.1995 | Language: | EN | [1995/08] | Search report(s) | International search report - published on: | US | 31.05.1990 | (Supplementary) European search report - dispatched on: | EP | 21.04.1992 | Classification | IPC: | G11B5/09, G11B20/10, G11B20/14 | [1995/08] | CPC: |
G11B20/10009 (EP,US);
G11B20/1419 (EP,US)
|
| Former IPC [1991/41] | G11B5/09 | Designated contracting states | DE, FR, GB, IT [1991/41] | Title | German: | SELBCOMPENSIERENDES AUFZEICHNUNGS- UND WIEDERGABEVERFAHREN FÜR DATEN HOHER DICHTE | [1995/08] | English: | SELF-COMPENSATING HIGH DENSITY DATA RECORDING AND DETECTION METHOD | [1995/08] | French: | METHODE DE DETECTION ET D'ENREGISTREMENT DE DONNEES DE HAUTE DENSITE A AUTO-COMPENSATION | [1995/08] |
| Former [1991/41] | SELBSTKOMPENSIERENDES AUFZEICHNUNGS- UND WIEDERGABESYSTEM FÜR DATEN HOHER DICHTE | ||
| Former [1991/41] | SELF-COMPENSATING HIGH DENSITY DATA RECORDING AND DETECTION SCHEME | ||
| Former [1991/41] | PROGRAMME DE DETECTION ET D'ENREGISTREMENT DE DONNEES DE HAUTE DENSITE A AUTO-COMPENSATION | Entry into regional phase | 08.06.1991 | National basic fee paid | 08.06.1991 | Search fee paid | 08.06.1991 | Designation fee(s) paid | 08.06.1991 | Examination fee paid | Examination procedure | 08.06.1990 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 08.06.1991 | Examination requested [1991/41] | 20.06.1991 | Request for decision received: (all rights) | 20.02.1992 | Result of request for decision ((all rights)): Request rejected | 11.05.1993 | Despatch of a communication from the examining division (Time limit: M06) | 22.11.1993 | Reply to a communication from the examining division | 11.03.1994 | Despatch of a communication from the examining division (Time limit: M02) | 07.05.1994 | Reply to a communication from the examining division | 02.08.1994 | Despatch of communication of intention to grant (Approval: Yes) | 30.08.1994 | Communication of intention to grant the patent | 25.11.1994 | Fee for grant paid | 25.11.1994 | Fee for publishing/printing paid | Opposition(s) | 23.11.1995 | No opposition filed within time limit [1996/07] | Fees paid | Renewal fee | 22.11.1991 | Renewal fee patent year 03 | 26.11.1992 | Renewal fee patent year 04 | 25.11.1993 | Renewal fee patent year 05 | 25.11.1994 | Renewal fee patent year 06 | Penalty fee | Penalty fee Rule 85b EPC 1973 | 04.06.1991 | M01 Fee paid on 08.06.1991 |
| 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. | Lapses during opposition Tooltip | FR | 22.02.1995 | IT | 22.02.1995 | [2006/14] |
| Former [1999/42] | IT | 22.02.1995 | |
| FR | 21.07.1995 | ||
| Former [1995/52] | FR | 21.07.1995 | Documents cited: | Search | [A]DE2925129 (DAIMLER BENZ AG); | [AD]US3603942 (HEIDECKER ROBERT F); | [A]BE1000829 (OCORRALK LTD); | [A]US3767938 (KUEPER T) | [A] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 14, no. 2, July 1971, pages 666-667, New York, US; A. CROISIER et al.: "Data threshold circuit" | International search | [X]US4495529 (GUSTAFSON ROY W [US]); | [X]US4635142 (HAUGLAND STEVE E [US]) |