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EP0077642
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EP About this file: EP0077642
| EP0077642 - Three beam optical memory system [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 17.10.1986 Database last updated on 15.05.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states BURROUGHS CORPORATION (a Michigan corporation) Burroughs Place Detroit, Michigan 48232 / US | [1983/17] | Inventor(s) | 01 /
Hazel, Robert Lawrence 3305 Silver Spur Court Thousand Oaks California 91360 / US | 02 /
Labudde, Edward Verne 3401 Daniel Street Newbury Park California 91320 / US | [1983/17] | Representative(s) | Kirby, Harold Douglas Benson, et al G.F. Redfern & Company Marlborough Lodge 14 Farncombe Road Worthing West Sussex BN11 2BT / GB | [N/P] |
| Former [1983/17] | Kirby, Harold Douglas Benson, et al G.F. Redfern & Company Marlborough Lodge 14 Farncombe Road Worthing West Sussex BN11 2BT / GB | Application number, filing date | 82305461.4 | 14.10.1982 | [1983/17] | Priority number, date | US19810311629 | 15.10.1981 Original published format: US 311629 | [1983/17] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0077642 | Date: | 27.04.1983 | Language: | EN | [1983/17] | Type: | A3 Search report | No.: | EP0077642 | Date: | 10.08.1983 | Language: | EN | [1983/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.06.1983 | Classification | IPC: | G11B7/00, G11B7/08, G11B7/12 | [1983/27] | CPC: |
G11B7/08 (EP,US);
G11B20/1217 (EP,US);
G11B20/1879 (EP,US);
G11B27/30 (EP,US);
G11B7/004 (EP,US);
G11B7/09 (EP,US);
G11B2220/2537 (EP,US)
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| Former IPC [1983/17] | G11B7/00, G11B7/08 | Designated contracting states | BE, DE, FR, GB, IT, NL, SE [1983/17] | Title | German: | Optisches Speichersystem mit drei Bündeln | [1983/17] | English: | Three beam optical memory system | [1983/17] | French: | Système de mémoire optique à trois faisceaux | [1983/17] | File destroyed: | 26.04.1993 | Examination procedure | 18.10.1982 | Examination requested [1983/17] | 12.10.1984 | Despatch of a communication from the examining division (Time limit: M04) | 05.02.1985 | Reply to a communication from the examining division | 16.04.1985 | Despatch of a communication from the examining division (Time limit: M04) | 16.08.1985 | Reply to a communication from the examining division | 15.10.1985 | Despatch of a communication from the examining division (Time limit: M06) | 26.04.1986 | Application deemed to be withdrawn, date of legal effect [1986/49] | 09.06.1986 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1986/49] | Fees paid | Renewal fee | 15.09.1984 | Renewal fee patent year 03 | 31.08.1985 | Renewal fee patent year 04 |
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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 | [XP]JP56153540 ; | [A]GB1302370 ; | [A]US3919697 (WALKER RAY A); | [A]US4038679 (BOUWHUIS GIJSBERTUS, et al); | [X]EP0019924 (DISCOVISION ASS [US]) | [XP] - PATENTS ABSTRACTS OF JAPAN, vol. 6, no. 34, 2nd March 1982, (P-104)[912] & JP-A-56 153 540 (MATSUSHITA DENKI SANGYO K.K.) 27-11-1981, & JP56153540 A 00000000 | [A] - NEUES AUS DER TECHNIK, Jahrgang 1979, no. 5, 15th october 1979, page 2, Vogel-Verlag, Würzburg, DE. Article 542: "Synchronisation des Datenbitstromes bei Aufzeichnung auf einem scheibenfoermigen Aufzeichnungstraeger" |