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EP0138454
European procedure
Extract from the Register of European Patents
EP About this file: EP0138454
| EP0138454 - Switchable color filter and field sequential full color display system incorporating same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 01.07.1995 Database last updated on 24.08.2024 | Most recent event Tooltip | 01.07.1995 | No opposition filed within time limit | published on 23.08.1995 [1995/34] | Applicant(s) | For all designated states TEKTRONIX, INC. Corporate Headquarters, 26600 S.W. Parkway Wilsonville Oregon 97070-1000 / US | [N/P] |
| Former [1994/35] | For all designated states TEKTRONIX, INC. Corporate Headquarters, 26600 S.W. Parkway Wilsonville, Oregon 97070-1000 / US | ||
| Former [1992/40] | For all designated states TEKTRONIX INC. Howard Vollum Park 14150 S.W. Karl Braun Drive P.O.Box 500, Mail Stop 50-PAT Beaverton Oregon 97077-0001 / US | ||
| Former [1992/35] | For all designated states TEKTRONIX, INC. Corporate Headquarters, 26600 S.W. Parkway Wilsonville, Oregon 97070-1000 / US | ||
| Former [1990/38] | For all designated states TEKTRONIX, INC. Howard Vollum Park, 14150 S.W. Karl Braun Drive Beaverton, Oregon 97005 / US | ||
| Former [1985/17] | For all designated states TEKTRONIX, INC. Tektronix Industrial Park D/S Y3-121 4900 S.W. Griffith Drive P.O. Box 500 Beaverton Oregon 97077 / US | Inventor(s) | 01 /
Bos, Philip J. 12300 S.W. Edgewood Portland Oregon 97225 / US | 02 /
Johnson, Philip A., Jr. Route 3 Box 718 Beaverton Oregon 97005 / US | [1985/17] | Representative(s) | Wright, Peter David John, et al R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ / GB | [1985/17] | Application number, filing date | 84306550.9 | 26.09.1984 | [1985/17] | Priority number, date | US19830535523 | 26.09.1983 Original published format: US 535523 | [1985/17] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0138454 | Date: | 24.04.1985 | Language: | EN | [1985/17] | Type: | A3 Search report | No.: | EP0138454 | Date: | 27.08.1986 | Language: | EN | [1986/35] | Type: | B1 Patent specification | No.: | EP0138454 | Date: | 31.08.1994 | Language: | EN | [1994/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.07.1986 | Classification | IPC: | G02F1/01, G02F1/13 | [1985/17] | CPC: |
G02F1/13473 (EP,US);
G02F1/0322 (EP,US);
G02F1/133533 (EP,US)
| Designated contracting states | DE, FR, GB, NL [1985/17] | Title | German: | Schaltbarer Farbfilter und seine Verwendung in einer Anzeigevorrichtung mit sequentieller Rasterfolge und voller Farbwiedergabe | [1985/25] | English: | Switchable color filter and field sequential full color display system incorporating same | [1985/17] | French: | Filtre de couleur commutable et son utilisation dans un système d'affichage à trames séquentielles et à rendu complet des couleurs | [1985/25] | Examination procedure | 24.02.1987 | Examination requested [1987/18] | 05.10.1988 | Despatch of a communication from the examining division (Time limit: M08) | 29.09.1989 | Reply to a communication from the examining division | 13.02.1991 | Despatch of a communication from the examining division (Time limit: M04) | 24.04.1991 | Reply to a communication from the examining division | 05.07.1991 | Despatch of a communication from the examining division (Time limit: M06) | 14.01.1992 | Reply to a communication from the examining division | 30.10.1992 | Despatch of a communication from the examining division (Time limit: M04) | 09.03.1993 | Reply to a communication from the examining division | 02.11.1993 | Despatch of communication of intention to grant (Approval: No) | 23.02.1994 | Despatch of communication of intention to grant (Approval: later approval) | 01.03.1994 | Communication of intention to grant the patent | 03.06.1994 | Fee for grant paid | 03.06.1994 | Fee for publishing/printing paid | Opposition(s) | 01.06.1995 | No opposition filed within time limit [1995/34] | Request for further processing for: | 29.09.1989 | Request for further processing filed | 29.09.1989 | Full payment received (date of receipt of payment) Request granted | 28.11.1989 | Decision despatched | Fees paid | Renewal fee | 19.08.1986 | Renewal fee patent year 03 | 19.08.1987 | Renewal fee patent year 04 | 16.08.1988 | Renewal fee patent year 05 | 14.08.1989 | Renewal fee patent year 06 | 09.08.1990 | Renewal fee patent year 07 | 13.08.1991 | Renewal fee patent year 08 | 14.08.1992 | Renewal fee patent year 09 | 13.08.1993 | Renewal fee patent year 10 |
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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]US2834254 (SAGE STANLEY J); | [X]GB637310 (POLAROID CORP); | [A]FR2260155 (MATSUSHITA ELECTRIC IND CO LTD [JP]); | [A]EP0052000 (POLAROID CORP [US]) | [AD] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 22, no. 5, October 1979, pages 1769-1772, New York, US; A.N. BRINSON et al.: "Liquid crystal apparatus for converting black and white CRT display into colored display" |