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EP0141512
European procedure
Extract from the Register of European Patents
EP About this file: EP0141512
| EP0141512 - A liquid crystal information storage device [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.05.1990 Database last updated on 19.10.2024 | Most recent event Tooltip | 14.08.2009 | Change - representative | published on 16.09.2009 [2009/38] | Applicant(s) | For all designated states THE VICTORIA UNIVERSITY OF MANCHESTER Oxford Road Manchester M13 9PL / GB | [1985/20] | Inventor(s) | 01 /
Coles, Harry James 18 Bridle Road Woodford Cheshire / GB | 02 /
Simon, Richard 19 Craig Road Macclesfield / GB | [1985/20] | Representative(s) | Ajello, Michael John Urquhart-Dykes & Lord Greg's Building 1 Booth Street Manchester M2 4DU / GB | [2009/38] |
| Former [1989/03] | Ajello, Michael John 207 Moss Lane Bramhall, Stockport, Cheshire SK7 1BA / GB | ||
| Former [1985/20] | Ajello, Michael John 207 Moss Lane Bramhall Stockport Cheshire SK7 1BA / GB | Application number, filing date | 84306147.4 | 07.09.1984 | [1985/20] | Priority number, date | GB19830024642 | 14.09.1983 Original published format: GB 8324642 | [1985/20] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0141512 | Date: | 15.05.1985 | Language: | EN | [1985/20] | Type: | B1 Patent specification | No.: | EP0141512 | Date: | 12.07.1989 | Language: | EN | [1989/28] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.03.1985 | Classification | IPC: | G02F1/13, G02F1/137, // C09K19/02, C09K19/40 | [1985/20] | CPC: |
G02F1/132 (EP,US);
G11C11/22 (KR);
C09K19/02 (EP,US);
C09K19/408 (EP,US);
G02F1/133365 (EP,US);
G02F1/13725 (EP,US);
G11B13/00 (EP,US);
G11B7/0045 (EP,US);
G11B7/00555 (EP,US);
G11B7/245 (EP,US);
G11B7/25 (EP,US);
G02F1/133362 (EP,US);
| Designated contracting states | AT, BE, CH, DE, FR, IT, LI, LU, NL, SE [1989/28] |
| Former [1985/20] | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE | Title | German: | Flüssigkristall-Informationsspeichereinrichtung | [1985/20] | English: | A liquid crystal information storage device | [1985/20] | French: | Dispositif à cristaux liquides pour le stockage des informations | [1985/20] | Examination procedure | 08.11.1985 | Examination requested [1986/05] | 03.04.1987 | Despatch of a communication from the examining division (Time limit: M04) | 29.07.1987 | Reply to a communication from the examining division | 23.10.1987 | Despatch of a communication from the examining division (Time limit: M04) | 20.02.1988 | Reply to a communication from the examining division | 25.07.1988 | Despatch of communication of intention to grant (Approval: Yes) | 07.12.1988 | Communication of intention to grant the patent | 22.02.1989 | Fee for grant paid | 22.02.1989 | Fee for publishing/printing paid | Opposition(s) | 13.04.1990 | No opposition filed within time limit [1990/26] | 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 | Penalty fee | Penalty fee Rule 85a EPC 1973 | 08.10.1984 | AT M02 Not yet paid | 08.10.1984 | BE M02 Not yet paid | 08.10.1984 | CH M02 Not yet paid | 08.10.1984 | DE M02 Not yet paid | 08.10.1984 | FR M02 Not yet paid | 08.10.1984 | GB M02 Not yet paid | 08.10.1984 | IT M02 Not yet paid | 08.10.1984 | LU M02 Not yet paid | 08.10.1984 | NL M02 Not yet paid | 08.10.1984 | SE M02 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 | EP0029162 [ ] (WACKER CHEMIE GMBH [DE]); | US4293435 [ ] (PORTUGALL MICHAEL, et al); | EP0060335 [ ] (CONSORTIUM ELEKTROCHEM IND [DE]); | EP0069387 [ ] (HITACHI LTD [JP]); | EP0074608 [ ] (MERCK PATENT GMBH [DE]); | CH637773 [ ] (INT STANDARD ELECTRIC CORP [US]) |