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EP0198716
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EP About this file: EP0198716
| EP0198716 - Variable laser beam attenuation [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 07.03.1989 Database last updated on 06.11.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states LAAKMANN ELECTRO-OPTICS INC. 33052 Calle Aviador, Suite B San Juan Capistrano California 92675 / US | [N/P] |
| Former [1986/43] | For all designated states LAAKMANN ELECTRO-OPTICS INC. 33052 Calle Aviador, Suite B San Juan Capistrano California 92675 / US | Inventor(s) | 01 /
Levy, Michael Brent 26472 Evergreen Road San Juan Capistrano California / US | 02 /
Wilson, Stephen Sterling 35120 El Niguel Road Elsinor California / US | [1986/43] | Representative(s) | Colgan, Stephen James, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA / GB | [N/P] |
| Former [1986/43] | Colgan, Stephen James, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA / GB | Application number, filing date | 86302824.7 | 16.04.1986 | [1986/43] | Priority number, date | US19850724217 | 17.04.1985 Original published format: US 724217 | [1986/43] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0198716 | Date: | 22.10.1986 | Language: | EN | [1986/43] | Type: | A3 Search report | No.: | EP0198716 | Date: | 23.11.1988 | Language: | EN | [1988/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.10.1988 | Classification | IPC: | G02F1/13 | [1986/43] | CPC: |
G02F1/1313 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1986/43] | Title | German: | Variable Laserstrahlabschwächung | [1986/43] | English: | Variable laser beam attenuation | [1986/43] | French: | Atténuation variable d'un faisceau laser | [1986/43] | File destroyed: | 09.05.1995 | Examination procedure | 03.05.1988 | Application deemed to be withdrawn, date of legal effect [1989/17] | 28.11.1988 | Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time [1989/17] | Fees paid | Penalty fee | Additional fee for renewal fee | 02.05.1988 | 03 M06 Not yet paid |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 | [X]FR2350622 ; | [A]GB2138586 | [X] - XEROX DISCLOSURE JOURNAL, vol. 1, no. 6, June 1976pages 79-80; G.A. DIR: "Variable neutral density device" | [A] - APPLIED PHYSICS LETTERS, vol. 18, no. 4, 15th February 1971pages 127-128; M. SCHADT et al.: "Voltage-dependent optical of a twisted nematic liquid crystal" |