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EP0162528
European procedure
Extract from the Register of European Patents
EP About this file: EP0162528
| EP0162528 - Light box for providing a background illumination having brightness values locally adjusted to the density of a transparency to be viewed by means of the light box [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.01.1990 Database last updated on 11.04.2026 | Most recent event Tooltip | 19.01.1990 | No opposition filed within time limit | published on 07.03.1990 [1990/10] | Applicant(s) | For all designated states B.V. Optische Industrie "De Oude Delft" Postbus 72 2600 MD Delft / NL | [N/P] |
| Former [1988/03] | For all designated states B.V. Optische Industrie "De Oude Delft" Van Miereveltlaan 9 NL-2612 XE Delft / NL | ||
| Former [1985/48] | For all designated states N.V. Optische Industrie "De Oude Delft" Van Miereveltlaan 9 NL-2612 XE Delft / NL | Inventor(s) | 01 /
Geluk, Ronald Jan Oosteinde 30 NL-2631 PL Nootdorp / NL | [1985/48] | Representative(s) | Smulders, Theodorus A.H.J., et al Vereenigde Postbus 87930 2508 DH Den Haag / NL | [N/P] |
| Former [1988/14] | Smulders, Theodorus A.H.J., Ir., et al Vereenigde Octrooibureaux Nieuwe Parklaan 97 NL-2587 BN 's-Gravenhage / NL | ||
| Former [1985/48] | Urbanus, Henricus Maria, Ir. c/o Vereenigde Octrooibureaux Nieuwe Parklaan 107 NL-2587 BP 's-Gravenhage / NL | Application number, filing date | 85200802.8 | 17.05.1985 | [1985/48] | Priority number, date | NL19840001605 | 18.05.1984 Original published format: NL 8401605 | [1985/48] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0162528 | Date: | 27.11.1985 | Language: | EN | [1985/48] | Type: | B1 Patent specification | No.: | EP0162528 | Date: | 22.03.1989 | Language: | EN | [1989/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.09.1985 | Classification | IPC: | G02B27/02, G03B27/72 | [1989/12] | CPC: |
G02B27/026 (EP,US)
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| Former IPC [1985/48] | G03B27/72, G02B27/02 | Designated contracting states | BE, DE, FR, GB, IT, NL, SE [1985/48] | Title | German: | Lichtkasten zur Herstellung einer Hintergrundbeleuchtung mit der Dichte eines mit diesem Lichtkasten zu betrachtenden Transparentes mit lokal angepassten Helligkeitswerten | [1985/48] | English: | Light box for providing a background illumination having brightness values locally adjusted to the density of a transparency to be viewed by means of the light box | [1985/48] | French: | Boîte lumineuse pour produire une illumination de fond à valeurs de luminosité adaptées localement à la densité d'un transparent examiné au moyen de la boîte lumineuse | [1985/48] | Examination procedure | 07.04.1986 | Examination requested [1986/24] | 12.03.1987 | Despatch of a communication from the examining division (Time limit: M04) | 15.07.1987 | Reply to a communication from the examining division | 26.08.1987 | Despatch of a communication from the examining division (Time limit: M04) | 23.12.1987 | Reply to a communication from the examining division | 25.07.1988 | Despatch of communication of intention to grant (Approval: No) | 19.09.1988 | Despatch of communication of intention to grant (Approval: later approval) | 23.09.1988 | Communication of intention to grant the patent | 23.12.1988 | Fee for grant paid | 23.12.1988 | Fee for publishing/printing paid | Opposition(s) | 23.12.1989 | No opposition filed within time limit [1990/10] | Fees paid | Renewal fee | 27.05.1987 | Renewal fee patent year 03 | 31.05.1988 | Renewal fee patent year 04 |
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