EP0308244 - Optical filter coupler [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 25.01.1994 Database last updated on 06.07.2024 | Most recent event Tooltip | 25.01.1994 | Application deemed to be withdrawn | published on 16.03.1994 [1994/11] | Applicant(s) | For all designated states Seiko Instruments Inc. 31-1, Kameido 6-chome Koto-ku Tokyo 136 / JP | For all designated states Morishita, Katsumi c/o Osaka Electric & Communication University 18-8 Hatsumachi Neyagawa-shi Osaka / JP | [N/P] |
Former [1989/12] | For all designated states SEIKO INSTRUMENTS INC. 31-1, Kameido 6-chome Koto-ku Tokyo 136 / JP | ||
For all designated states Morishita, Katsumi c/o Osaka Electric & Communication University 18-8 Hatsumachi Neyagawa-shi Osaka / JP | Inventor(s) | 01 /
Morishita, Katsumi c/o Osaka Electric & Communication University 18-8 Hatsumachi Neyagawa-shi Osaka / JP | 02 /
Takesue, Toshiharu c/o Seiko Instruments Inc. 31-1 Kameido 6-chome Koto-ku Tokyo / JP | [1989/12] | Representative(s) | Miller, Joseph, et al J. MILLER & CO. 34 Bedford Row, Holborn London WC1R 4JH / GB | [1991/34] |
Former [1989/12] | Caro, William Egerton J. MILLER & CO. Lincoln House 296-302 High Holborn London WC1V 7JH / GB | Application number, filing date | 88308593.8 | 16.09.1988 | [1989/12] | Priority number, date | JP19870231883 | 16.09.1987 Original published format: JP 23188387 | [1989/12] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0308244 | Date: | 22.03.1989 | Language: | EN | [1989/12] | Type: | A3 Search report | No.: | EP0308244 | Date: | 16.08.1990 | Language: | EN | [1990/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.06.1990 | Classification | IPC: | G02B6/28 | [1989/12] | CPC: |
G02B6/29332 (EP,US);
G02B6/125 (EP,US)
| Designated contracting states | DE, FR, GB [1989/12] | Title | German: | Wellenlängen selektiver optischer Richtkoppler | [1989/12] | English: | Optical filter coupler | [1989/12] | French: | Coupleur optique sélectif en longueur d'onde | [1989/12] | File destroyed: | 15.01.2000 | Examination procedure | 28.12.1990 | Examination requested [1991/10] | 21.07.1992 | Despatch of a communication from the examining division (Time limit: M06) | 26.01.1993 | Reply to a communication from the examining division | 03.03.1993 | Despatch of a communication from the examining division (Time limit: M06) | 14.09.1993 | Application deemed to be withdrawn, date of legal effect [1994/11] | 18.10.1993 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1994/11] | Fees paid | Renewal fee | 26.09.1990 | Renewal fee patent year 03 | 26.09.1991 | Renewal fee patent year 04 | 30.09.1992 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 30.09.1993 | 06   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 | [X]EP0037793 (POLAROID CORP [US]); | [X]FR2506954 (CENTRE NAT RECH SCIENT [FR]) | [A] - FREQUENZ, vol. 37, no. 9, September 1983, pages 226-231, Berlin, DE; T. SCHWANDER et al.: "Rechnergesteuerte Herstellung von Gradientenfaser-Richtkopplern für bidirektionale Nachrichtenübertragung" |