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EP0451995
European procedure
Extract from the Register of European Patents
EP About this file: EP0451995
| EP0451995 - Methods and apparatus for half-tone imaging [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.08.1996 Database last updated on 10.03.2026 | Most recent event Tooltip | 02.08.1996 | No opposition filed within time limit | published on 18.09.1996 [1996/38] | Applicant(s) | For all designated states CROSFIELD ELECTRONICS LIMITED Three Cherry Trees Lane Hemel Hempstead Hertfordshire HP2 7RH / GB | [N/P] |
| Former [1992/32] | For all designated states CROSFIELD ELECTRONICS LIMITED Three Cherry Trees Lane Hemel Hempstead Hertfordshire HP2 7RH / GB | ||
| Former [1991/42] | For all designated states CROSFIELD ELECTRONICS LIMITED Wedgewood Way Stevenage Hertfordshire SG1 4QN / GB | Inventor(s) | 01 /
Roe, Malcolm David McKinnon 4 Studham Lane, Dagnall Berkhamsted, Hertfordshire / GB | 02 /
Slone-Murphy, Michael 5 Raebarn Gardens, Arkley Barnet, Hertfordshire, EN5 3DB / GB | [1991/42] | Representative(s) | Skone James, Robert Edmund, et al Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES / GB | [N/P] |
| Former [1991/42] | Skone James, Robert Edmund, et al GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH / GB | Application number, filing date | 91302720.7 | 27.03.1991 | [1991/42] | Priority number, date | GB19900008318 | 12.04.1990 Original published format: GB 9008318 | [1991/42] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0451995 | Date: | 16.10.1991 | Language: | EN | [1991/42] | Type: | B1 Patent specification | No.: | EP0451995 | Date: | 27.09.1995 | Language: | EN | [1995/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.07.1991 | Classification | IPC: | H04N1/40 | [1991/42] | CPC: |
H04N1/4058 (EP,US)
| Designated contracting states | DE, GB [1991/42] | Title | German: | Halbtonrasterabbildungsverfahren und -gerät | [1991/42] | English: | Methods and apparatus for half-tone imaging | [1991/42] | French: | Procédé et appareil pour la formation d'images en demi-teintes | [1991/42] | Examination procedure | 10.04.1992 | Examination requested [1992/24] | 23.03.1994 | Despatch of a communication from the examining division (Time limit: M06) | 19.09.1994 | Reply to a communication from the examining division | 29.11.1994 | Despatch of communication of intention to grant (Approval: Yes) | 03.04.1995 | Communication of intention to grant the patent | 01.05.1995 | Fee for grant paid | 01.05.1995 | Fee for publishing/printing paid | Opposition(s) | 28.06.1996 | No opposition filed within time limit [1996/38] | Fees paid | Renewal fee | 09.03.1993 | Renewal fee patent year 03 | 09.03.1994 | Renewal fee patent year 04 | 09.03.1995 | Renewal fee patent year 05 |
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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 | [A] IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, 11-13 June 1973, Seattle, Washington 1973, New York, US; pages 2611 - 2615; B. E. BAYER: "An optimum method for two-level rendition of continious-tone pictures" [A] |