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EP0201674
European procedure
Extract from the Register of European Patents
EP About this file: EP0201674
| EP0201674 - A method for reproducing multi-level digital images on a bi-level printer of fixed dot size [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 25.02.1994 Database last updated on 03.09.2024 | Most recent event Tooltip | 07.03.1997 | Lapse of the patent in a contracting state | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1986/47] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Goertzel, Gerald 7 Sparrow Circle White Plains, NY 10605 / US | 02 /
Thompson, Gerhard Robert 43 Regency Drive Wappingers Falls, NY 12590 / US | [1986/47] | Representative(s) | Burt, Roger James IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | [N/P] |
| Former [1992/28] | Burt, Roger James, Dr. IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | ||
| Former [1989/42] | Johansson, Lars E. IBM Svenska AB Intellectual Property Department 4-01 S-163 92 Stockholm / SE | ||
| Former [1986/47] | Appleton, John Edward IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | Application number, filing date | 86102646.6 | 28.02.1986 | [1986/47] | Priority number, date | US19850722898 | 12.04.1985 Original published format: US 722898 | [1986/47] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0201674 | Date: | 20.11.1986 | Language: | EN | [1986/47] | Type: | A3 Search report | No.: | EP0201674 | Date: | 16.09.1987 | Language: | EN | [1987/38] | Type: | B1 Patent specification | No.: | EP0201674 | Date: | 17.10.1990 | Language: | EN | [1990/42] | Type: | B2 New European patent specification | No.: | EP0201674 | Date: | 13.04.1994 | Language: | EN | [1994/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.07.1987 | Classification | IPC: | H04N1/411 | [1987/37] | CPC: |
H04N1/4052 (EP,US);
H04N1/4055 (EP,US)
|
| Former IPC [1986/47] | H04N1/40 | Designated contracting states | DE, FR, GB, IT [1986/47] | Title | German: | Verfahren zur Reproduktion digitaler Bilder mit Mehrfachtönung mittels eines Doppeltönungsdruckers mit fester Punktgrösse | [1986/47] | English: | A method for reproducing multi-level digital images on a bi-level printer of fixed dot size | [1986/47] | French: | Procédé pour reproduire des images numériques à teintes multiples à l'aide d'une imprimante à deux teintes et à dimension de point fixe | [1986/47] | Miscellaneous | EPB 1990/42: Teilanmeldung 89120581.7 eingereicht am 28/02/86 | EPB 1990/42: Divisional application 89120581.7 filed on 28/02/86 | EPB 1990/42: Demande divisionnaire 89120581.7 déposée le 28/02/86 | Examination procedure | 24.02.1987 | Examination requested [1987/18] | 08.08.1989 | Despatch of a communication from the examining division (Time limit: M04) | 17.10.1989 | Reply to a communication from the examining division | 15.01.1990 | Despatch of communication of intention to grant (Approval: Yes) | 04.04.1990 | Communication of intention to grant the patent | 08.05.1990 | Fee for grant paid | 08.05.1990 | Fee for publishing/printing paid | Divisional application(s) | EP89120581.7 / EP0361538 | Opposition(s) | Opponent(s) | 01
16.07.1991
10.08.1991
ADMISSIBLE Océ-Nederland B.V., Venlo -Patents and Information- Postbus 101 NL-5900 MA Venlo / NL | [1991/37] | 14.08.1991 | Invitation to proprietor to file observations on the notice of opposition | 26.10.1991 | Reply of patent proprietor to notice(s) of opposition | 11.11.1991 | Communication of observations of patent proprietor (Time limit: M04) | 17.03.1992 | Reply of parties involved to observations of patent proprietor | 06.04.1992 | Despatch of a communication from the opposition division (Time limit: M04) | 31.07.1992 | Reply to a communication from the opposition division | 28.09.1992 | Despatch of a communication from the opposition division (Time limit: M04) | 01.02.1993 | Reply to a communication from the opposition division | 29.06.1993 | Date of oral proceedings | 27.07.1993 | Despatch of interlocutory decision in opposition | 27.07.1993 | Despatch of minutes of oral proceedings | 06.08.1993 | Legal effect of interlocutory decision in opposition | 18.11.1993 | Despatch of communication that the patent will be maintained as amended | 17.01.1994 | Fee for printing new specification paid | Fees paid | Renewal fee | 24.02.1988 | Renewal fee patent year 03 | 25.02.1989 | Renewal fee patent year 04 | 24.02.1990 | 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 | US4504115 [ ] (OGAWA MUTSUO [JP], et al); | DE3501830 [ ] (RICOH KK [JP]); | US4084183 [ ] (KELLER HANS, et al); | US4110795 [ ] (SPENCER DAVID R) | [ ] - IBM Journal of Research and Development, vol. 26, no. 6, November 1982, New York D.ANASTASSIOU, K.S.PENNINGTON "Digital Halftoning of Images" pages 687-697 * PAGE 687, COLUMN 1, 2ND PARAGRAPH; PAGE 690, COLUMN 1, LINES 1-8,19, COLUMN LINES 2-5; PAGE 691, COLUMN 1, LINE 33; PAGE 692, COLUMN 2, 4TH PARAGRAPH; FIG 7 * * FIG. 4-8; PAGES 687,690,691,692 * |