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EP0420375
European procedure
Extract from the Register of European Patents
EP About this file: EP0420375
| EP0420375 - Tracking servo system [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.09.1995 Database last updated on 15.06.2024 | Most recent event Tooltip | 07.03.1997 | Lapse of the patent in a contracting state | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states PIONEER ELECTRONIC CORPORATION No.41, Meguro 1-chome Meguro-ku Tokyo / JP | [N/P] |
| Former [1991/14] | For all designated states PIONEER ELECTRONIC CORPORATION No.41, Meguro 1-chome Meguro-ku Tokyo / JP | Inventor(s) | 01 /
Iwase, Munehiko, c/o Pioneer Electronic Corp. Tokorozawa Works, No. 2610 Hanazono 4-chome Tokorozawa-shi, Saitama / JP | 02 /
Ishii, Hidehiro, c/o Pioneer Electronic Corp. Tokorozawa Works, No. 2610 Hanazono 4-chome Tokorozawa-shi, Saitama / JP | 03 /
Takeya, Noriyoshi, c/o Pioneer Electronic Corp. Tokorozawa Works, No. 2610 Hanazono 4-chome Tokorozawa-shi, Saitama / JP | 04 /
Fukuda, Tatsuya, c/o Pioneer Electronic Corp. Tokorozawa Works, No. 2610 Hanazono 4-chome Tokorozawa-shi, Saitama / JP | [1991/14] | Representative(s) | Brunner, Michael John, et al Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES / GB | [N/P] |
| Former [1991/14] | Brunner, Michael John, et al GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH / GB | Application number, filing date | 90302244.0 | 02.03.1990 | [1991/14] | Priority number, date | JP19890255003 | 28.09.1989 Original published format: JP 25500389 | [1991/14] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0420375 | Date: | 03.04.1991 | Language: | EN | [1991/14] | Type: | B1 Patent specification | No.: | EP0420375 | Date: | 02.11.1994 | Language: | EN | [1994/44] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.01.1991 | Classification | IPC: | G11B7/095, G11B7/09, G11B5/596 | [1991/14] | CPC: |
G11B7/0946 (EP,US)
| Designated contracting states | DE, FR, GB [1991/14] | Title | German: | Spurfolgeservosystem | [1994/44] | English: | Tracking servo system | [1991/14] | French: | Servo-système de recherche de piste | [1991/14] |
| Former [1991/14] | Spürfolgeservosystem | File destroyed: | 20.04.2002 | Examination procedure | 27.09.1991 | Examination requested [1991/48] | 04.01.1994 | Despatch of communication of intention to grant (Approval: Yes) | 05.05.1994 | Communication of intention to grant the patent | 04.08.1994 | Fee for grant paid | 04.08.1994 | Fee for publishing/printing paid | Opposition(s) | 03.08.1995 | No opposition filed within time limit [1995/43] | Fees paid | Renewal fee | 13.03.1992 | Renewal fee patent year 03 | 09.03.1993 | Renewal fee patent year 04 | 09.03.1994 | 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. | Documents cited: | Search | [A]DE3604604 (HITACHI LTD [JP]); | [A]EP0305191 (FUJITSU LTD [JP]); | [A]EP0322841 (TOSHIBA KK [JP]) |