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EP0281756
European procedure
Extract from the Register of European Patents
EP About this file: EP0281756
| EP0281756 - Holographic objective mirrors for optical storage [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.02.1994 Database last updated on 18.01.2025 | 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 International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1988/37] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Latta, Milton Russell 7226 Golf Course Lane San Jose California 95139 / US | 02 /
Strand, Timothy Carl 6737 Bret Harte Drive San Jose California 95120 / US | [1988/37] | Representative(s) | Moss, Robert Douglas IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | [N/P] |
| Former [1990/49] | Moss, Robert Douglas IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | ||
| Former [1988/37] | Grant, Iain Murray IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | Application number, filing date | 88101467.4 | 02.02.1988 | [1988/37] | Priority number, date | US19870025691 | 13.03.1987 Original published format: US 25691 | [1988/37] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0281756 | Date: | 14.09.1988 | Language: | EN | [1988/37] | Type: | A3 Search report | No.: | EP0281756 | Date: | 10.10.1990 | Language: | EN | [1990/41] | Type: | B1 Patent specification | No.: | EP0281756 | Date: | 21.04.1993 | Language: | EN | [1993/16] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.08.1990 | Classification | IPC: | G11B7/12, G11B7/135, G02B13/10 | [1988/37] | CPC: |
G11B7/1362 (EP,US);
G11B7/08547 (EP,US);
G11B7/12 (EP,US)
| Designated contracting states | DE, FR, GB [1988/37] | Title | German: | Holographische Objektivspiegel für optische Speicherung | [1988/37] | English: | Holographic objective mirrors for optical storage | [1988/37] | French: | Miroir holographique d'objectif pour mémoire optique | [1988/37] | File destroyed: | 20.04.2002 | Examination procedure | 17.01.1989 | Examination requested [1989/11] | 20.12.1991 | Despatch of a communication from the examining division (Time limit: M04) | 28.03.1992 | Reply to a communication from the examining division | 19.06.1992 | Despatch of communication of intention to grant (Approval: Yes) | 17.09.1992 | Communication of intention to grant the patent | 06.10.1992 | Fee for grant paid | 06.10.1992 | Fee for publishing/printing paid | Opposition(s) | 22.01.1994 | No opposition filed within time limit [1994/15] | Fees paid | Renewal fee | 24.02.1990 | Renewal fee patent year 03 | 13.12.1990 | Renewal fee patent year 04 | 24.02.1992 | Renewal fee patent year 05 | 18.02.1993 | Renewal fee patent year 06 |
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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 | [AD]US4004081 (ZORN KARL-LUDWIG); | [A]EP0123048 (IBM [US]); | [A]US4440839 (MOTTIER FRANCOIS M [US]) | [A] - ELECTRONICS & COMMUNICATIONS IN JAPAN vol. 70, no. 1, January 1987, Silver Spring, Maryland, USA & al.: "Focusing grating for integrated optical-disk pick-up device" | [A] - OPTIK Zeitschrift für Licht- and Elektronenoptik vol. 65, no. 1, 1983, Stuttgart pages 49 - 61; I.Weingärtner: "A holographic mirror objective" | [A] - Optical Engineering vol. 24, no. 5, October 1985, Bellingham, USA pages 769 - 780; José R. Magarinos: "Holographic mirrors" |