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EP0520774
European procedure
Extract from the Register of European Patents
EP About this file: EP0520774
| EP0520774 - Method and apparatus for the reduction of memory space required for a digital halftone system [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 18.06.1999 Database last updated on 24.08.2024 | Most recent event Tooltip | 18.06.1999 | No opposition filed within time limit | published on 04.08.1999 [1999/31] | Applicant(s) | For all designated states SUN MICROSYSTEMS, INC. 2550 Garcia Avenue Mountain View, CA 94043 / US | [1993/01] | Inventor(s) | 01 /
Chang, Sheue Ling 1583 Clarkspur Lane San Jose, California 95129 / US | 02 /
Gosling, James 1600 Billa Street, Apt. 213 Mountain View, California 94043 / US | [1993/01] | Representative(s) | Wombwell, Francis Forresters 15, Hamilton Square Birkenhead Merseyside CH41 6BR / GB | [N/P] |
| Former [1993/01] | Wombwell, Francis Potts, Kerr & Co. 15, Hamilton Square Birkenhead Merseyside L41 6BR / GB | Application number, filing date | 92305808.5 | 24.06.1992 | [1993/01] | Priority number, date | US19910721138 | 26.06.1991 Original published format: US 721138 | [1993/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0520774 | Date: | 30.12.1992 | Language: | EN | [1992/53] | Type: | A3 Search report | No.: | EP0520774 | Date: | 19.01.1994 | Language: | EN | [1994/03] | Type: | B1 Patent specification | No.: | EP0520774 | Date: | 12.08.1998 | Language: | EN | [1998/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 01.12.1993 | Classification | IPC: | H04N1/40 | [1993/01] | CPC: |
H04N1/4058 (EP,US);
H04N1/40 (KR)
| Designated contracting states | DE, FR, IT, NL, SE [1993/01] | Title | German: | Verfahren und Gerät zur Reduktion des benötgten Speicherumfangs in einem digitalen Halbltonrasterungssystem | [1993/01] | English: | Method and apparatus for the reduction of memory space required for a digital halftone system | [1993/01] | French: | Procédé et appareil pour réduire l'étendue de mémoire nécessaire pour un système à demi-teintes | [1993/01] | Examination procedure | 22.12.1992 | Loss of particular rights, legal effect: Claims | 15.01.1993 | Despatch of communication of loss of particular rights: Claims {1} | 27.06.1994 | Examination requested [1994/34] | 18.10.1996 | Despatch of a communication from the examining division (Time limit: M04) | 24.01.1997 | Reply to a communication from the examining division | 01.09.1997 | Despatch of communication of intention to grant (Approval: Yes) | 19.12.1997 | Communication of intention to grant the patent | 21.03.1998 | Fee for grant paid | 21.03.1998 | Fee for publishing/printing paid | Opposition(s) | 13.05.1999 | No opposition filed within time limit [1999/31] | Fees paid | Renewal fee | 27.05.1994 | Renewal fee patent year 03 | 26.05.1995 | Renewal fee patent year 04 | 28.05.1996 | Renewal fee patent year 05 | 27.05.1997 | Renewal fee patent year 06 | 26.05.1998 | Renewal fee patent year 07 |
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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]US4185304 (HOLLADAY THOMAS M [US]) [A] 10,23 * the whole document *; | [A]GB2098022 (DAINIPPON SCREEN MFG); | [A]DE3320691 (CANON KK [JP]); | [A]GB2157119 (DAINIPPON SCREEN MFG) [A] 8,9,21,22 * page 2, line 6 - line 31 *; | [A]EP0293214 (DIGITAL EQUIPMENT CORP [US]); | [A]EP0427380 (ADOBE SYSTEMS INC [US]) [A] 1-7,10,17-20,23 * the whole document * |