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EP0722253
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EP About this file: EP0722253
| EP0722253 - Arrangements for projection displays employing reflective light valves [Right-click to bookmark this link] | Status | The application has been refused Status updated on 18.01.2002 Database last updated on 03.09.2024 | Most recent event Tooltip | 18.01.2002 | Refusal of application | published on 06.03.2002 [2002/10] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1996/29] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Dove, Derek Brian 41 Indian Hill Road Mt. Kisco, New York 10549 / US | [1996/29] | Representative(s) | Kauffmann, Wolfgang Christian, et al IBM Deutschland Management & Business Support GmbH Patentwesen u. Urheberrecht 71137 Ehningen / DE | [N/P] |
| Former [2001/22] | Kauffmann, Wolfgang Christian, et al IBM Deutschland GmbH Intellectual Property Pascalstrasse 100 70548 Stuttgart / DE | ||
| Former [2000/38] | Kauffmann, Wolfgang, Dr. IBM Deutschland GmbH, Intellectual Property, Pascalstrasse 100 70548 Stuttgart / DE | ||
| Former [1996/29] | Teufel, Fritz, Dipl.-Phys. IBM Deutschland Informationssysteme GmbH, Patentwesen und Urheberrecht 70548 Stuttgart / DE | Application number, filing date | 95117988.6 | 15.11.1995 | [1996/29] | Priority number, date | US19950370942 | 10.01.1995 Original published format: US 370942 | [1996/29] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0722253 | Date: | 17.07.1996 | Language: | EN | [1996/29] | Type: | A3 Search report | No.: | EP0722253 | Date: | 30.10.1996 | [1996/44] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.09.1996 | Classification | IPC: | H04N9/31 | [1996/29] | CPC: |
H04N9/3105 (EP,US);
H04N5/74 (KR)
| Designated contracting states | DE, FR, GB [1996/29] | Title | German: | Anordnungen für Projektionsanzeigen mit Lichtventilen in Reflexion | [1996/29] | English: | Arrangements for projection displays employing reflective light valves | [1996/29] | French: | Arrangements pour des dispositifs d'affichage par projection utilisant des valves optiques en réflexion | [1996/29] | Examination procedure | 25.11.1996 | Examination requested [1997/04] | 21.08.1998 | Despatch of a communication from the examining division (Time limit: M08) | 21.04.1999 | Reply to a communication from the examining division | 10.05.1999 | Despatch of a communication from the examining division (Time limit: M08) | 15.01.2000 | Reply to a communication from the examining division | 23.03.2000 | Despatch of a communication from the examining division (Time limit: M06) | 27.09.2000 | Reply to a communication from the examining division | 08.10.2001 | Despatch of communication that the application is refused, reason: substantive examination [2002/10] | 18.10.2001 | Application refused, date of legal effect [2002/10] | Fees paid | Renewal fee | 22.11.1997 | Renewal fee patent year 03 | 16.11.1998 | Renewal fee patent year 04 | 11.11.1999 | Renewal fee patent year 05 | 09.11.2000 | Renewal fee patent year 06 | Penalty fee | Additional fee for renewal fee | 30.11.2001 | 07 M06 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 | [XY]EP0295137 (SHARP KK [JP]) [X] 1-4,6-9,11,12,14 * column 2, line 55 - column 5, line 19 * [Y] 5,10-13; | [Y]US5374968 (HAVEN DUANE A [US], et al) [Y] 5 * column 6, line 16 - column 9, line 35 *; | [Y]EP0509194 (GOLD STAR CO [KR]) [Y] 10,13 * column 3, line 4 - column 4, line 25 * * column 6, line 14 - column 7, line 53 *; | [Y]EP0303898 (SEIKO EPSON CORP [JP]) [Y] 11,12 * column 4, line 22 - column 5, line 15 *; | [DA]US4687301 (LEDEBUHR ARNO G [US]) [DA] 1-14 * column 3, line 16 - column 7, line 66 *; | [DA]US5270804 (LACH PATRICK [FR]) [DA] 1-14 * column 3 - column 5, line 41 * | by applicant | US5270804 | US4687301 |