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EP0295759
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EP About this file: EP0295759
| EP0295759 - Apparatus for using differential data detection in write protection of an optical recorder [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 03.12.1991 Database last updated on 18.11.2024 | Most recent event Tooltip | 03.12.1991 | Application deemed to be withdrawn | published on 22.01.1992 [1992/04] | Applicant(s) | For all designated states Laser Magnetic Storage International Company 4425 Arrows West Drive Colorado Springs Colorado 80907 / US | [N/P] |
| Former [1988/51] | For all designated states Laser Magnetic Storage International Company 4425 Arrows West Drive Colorado Springs Colorado 80907 / US | Inventor(s) | 01 /
Bracht, Roger Russell c/o INT. OCTROOIBUREAU B.V. Prof. Holstlaan 6 NL-5656 AA Eindhoven / NL | 02 /
Verboom, Johannes Jacobus c/o INT. OCTROOIBUREAU B.V. Prof. Holstlaan 6 NL-5656 AA Eindhoven / NL | [1988/51] | Representative(s) | Peters, Rudolf Johannes, et al Philips Intellectual Property & Standards High Tech Campus 5 5656 AE Eindhoven / NL | [N/P] |
| Former [1988/51] | Peters, Rudolf Johannes, et al INTERNATIONAAL OCTROOIBUREAU B.V., Prof. Holstlaan 6 NL-5656 AA Eindhoven / NL | Application number, filing date | 88201566.2 | 14.01.1985 | [1988/51] | Priority number, date | US19840578148 | 08.02.1984 Original published format: US 578148 | [1988/51] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0295759 | Date: | 21.12.1988 | Language: | EN | [1988/51] | Type: | A3 Search report | No.: | EP0295759 | Date: | 03.05.1989 | Language: | EN | [1989/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.03.1989 | Classification | IPC: | G11B20/10, G11B20/18, G11B27/30, G11B7/00 | [1988/51] | CPC: |
G11B19/04 (EP);
G11B20/1426 (EP);
G11B20/1879 (EP);
G11B27/36 (EP);
G11B7/0045 (EP);
G11B7/005 (EP)
| Designated contracting states | DE, FR, GB, NL [1988/51] | Title | German: | Gerät zur Verwendung differenzieller Datendemodulation zum Schutz beim Schreiben für ein optisches Aufzeichnungsgerät | [1988/51] | English: | Apparatus for using differential data detection in write protection of an optical recorder | [1988/51] | French: | Appareil utilisant la démodulation différentielle de données pour la protection d'écriture d'un enregistreur optique | [1988/51] | File destroyed: | 02.03.1998 | Examination procedure | 01.11.1989 | Examination requested [1990/01] | 14.03.1991 | Despatch of a communication from the examining division (Time limit: M04) | 25.07.1991 | Application deemed to be withdrawn, date of legal effect [1992/04] | 26.08.1991 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1992/04] | Parent application(s) Tooltip | EP85300250.9 / EP0154389 | Fees paid | Renewal fee | 12.12.1988 | Renewal fee patent year 03 | 12.12.1988 | Renewal fee patent year 04 | 12.12.1988 | Renewal fee patent year 05 | 29.01.1990 | Renewal fee patent year 06 | Penalty fee | Additional fee for renewal fee | 20.07.1988 | 03 M06 Fee paid on 12.12.1988 | 20.07.1988 | 04 M06 Fee paid on 12.12.1988 | 31.01.1991 | 07 M06 Not yet paid |
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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]JP57094937 ; | [A]JP57069531 ; | [A]JP58121148 ; | [A]US3657707 (MCFARLAND KEITH E, et al); | [A]US4308612 (MIYAUCHI TOSHIMITSU, et al) | [A] - PATENT ABSTRACTS OF JAPAN, vol. 6, no. 179 (P-142)[1057], 14th September 1982; & JP-A-57 094 937 (OLYMPUS KOGAKU KOGYO K.K.) 12-06-1982, & JP57094937 A 00000000 | [A] - INTERNATIONAL CONFERENCE ON VIDEO AND DATA RECORDING, Southampton, 24th - 27th July 1979, supplement IERE Conference Proceedings no. 43, pages 1-9; M.R. DE HAAN et al.: "A system concept for optical data recording" | [A] - PATENT ABSTRACTS OF JAPAN, vol. 6, no. 148 (P-133)[1026], 7th August 1982; & JP-A 57 069 531 (OLYMPUS KOGAKU KOGYO K.K.) 28-04-1982, & JP57069531 A 00000000 | [A] - PATENT ABSTRACTS OF JAPAN, vol. 7, no. 234 (P-230)[1379], 18th October 1983; & JP-A-58 121 148 (OLYMPUS KOGAKU KOGYO K.K.) 19-07-1983, & JP58121148 A 00000000 |