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EP0281116
European procedure
Extract from the Register of European Patents
EP About this file: EP0281116
| EP0281116 - Digital-to-analog converter [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.06.1995 Database last updated on 28.05.2024 | Most recent event Tooltip | 10.06.1995 | No opposition filed within time limit | published on 02.08.1995 [1995/31] | Applicant(s) | For all designated states Kabushiki Kaisha Toshiba 72, Horikawa-cho, Saiwai-ku Kawasaki-shi Kanagawa-ken 210-8572 / JP | For all designated states Toshiba Micro-Computer Engineering Corporation 25-1, Ekimaehoncho Kawasaki-ku Kawasaki-shi / JP | [N/P] |
| Former [1988/36] | For all designated states KABUSHIKI KAISHA TOSHIBA 72, Horikawa-cho, Saiwai-ku Kawasaki-shi, Kanagawa-ken 210, Tokyo / JP | ||
| For all designated states Toshiba Micro-Computer Engineering Corporation 25-1, Ekimaehoncho Kawasaki-ku Kawasaki-shi / JP | Inventor(s) | 01 /
Sugawa, Naoki 40-1121, Sakuradai Midori-ku Yokohama-shi / JP | 02 /
Iida, Tetsuya c/o Patent Division Kabushiki Kaisha Toshiba 1-1 Shibaura 1-chome Minato-ku Tokyo 105 / JP | [1988/36] | Representative(s) | Henkel & Partner mbB Patentanwaltskanzlei, Rechtsanwaltskanzlei Maximiliansplatz 21 80333 München / DE | [N/P] |
| Former [1988/36] | Henkel, Feiler, Hänzel & Partner Möhlstrasse 37 D-81675 München / DE | Application number, filing date | 88103205.6 | 02.03.1988 | [1988/36] | Priority number, date | JP19870047734 | 04.03.1987 Original published format: JP 4773487 | [1988/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0281116 | Date: | 07.09.1988 | Language: | EN | [1988/36] | Type: | A3 Search report | No.: | EP0281116 | Date: | 03.07.1991 | Language: | EN | [1991/27] | Type: | B1 Patent specification | No.: | EP0281116 | Date: | 10.08.1994 | Language: | EN | [1994/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.05.1991 | Classification | IPC: | H03M1/06, H03M1/74 | [1991/31] | CPC: |
H03M1/0604 (EP,US);
H03M1/66 (KR);
H03M1/742 (EP,US)
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| Former IPC [1988/36] | H03M1/18, H03M1/74 | Designated contracting states | DE, FR, GB [1988/36] | Title | German: | Digital-Analogwandler | [1988/36] | English: | Digital-to-analog converter | [1988/36] | French: | Convertisseur numérique-analogique | [1988/36] | Examination procedure | 30.03.1988 | Examination requested [1988/36] | 08.07.1993 | Despatch of a communication from the examining division (Time limit: M04) | 08.11.1993 | Reply to a communication from the examining division | 25.11.1993 | Despatch of communication of intention to grant (Approval: Yes) | 07.02.1994 | Communication of intention to grant the patent | 09.05.1994 | Fee for grant paid | 09.05.1994 | Fee for publishing/printing paid | Opposition(s) | 11.05.1995 | No opposition filed within time limit [1995/31] | Fees paid | Renewal fee | 15.03.1990 | Renewal fee patent year 03 | 17.12.1990 | Renewal fee patent year 04 | 13.03.1992 | Renewal fee patent year 05 | 09.03.1993 | Renewal fee patent year 06 | 09.03.1994 | 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 | [X]DE2803099 (WALDSCHMIDT KLAUS PROF DR); | [X]US4482887 (CRAUWELS GUY L [US]); | [X]GB1266886 | Examination | - ANALOG DEVICES: DATA ACQUISITION PRODUCTS CATALOG SUPPLEMENT, 1979, pages S143 and S146 |