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EP0428346
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EP About this file: EP0428346
| EP0428346 - Wavelength selective mode couplers [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 20.06.1997 Database last updated on 12.11.2024 | Most recent event Tooltip | 20.06.1997 | Application deemed to be withdrawn | published on 06.08.1997 [1997/32] | Applicant(s) | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | [1991/21] | Inventor(s) | 01 /
Poole, Craig D. 8 Wemrock Drive Wayside, New Jersey 07712 / US | [1991/21] | Representative(s) | Watts, Christopher Malcolm Kelway, et al Lucent Technologies (UK) Ltd, 5 Mornington Road Woodford Green Essex IG8 OTU / GB | [N/P] |
| Former [1991/21] | Watts, Christopher Malcolm Kelway, Dr., et al AT&T (UK) LTD. AT&T Intellectual Property Division 5 Mornington Road Woodford Green Essex IG8 OTU / GB | Application number, filing date | 90312278.6 | 09.11.1990 | [1991/21] | Priority number, date | US19890435849 | 13.11.1989 Original published format: US 435849 | [1991/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0428346 | Date: | 22.05.1991 | Language: | EN | [1991/21] | Type: | A3 Search report | No.: | EP0428346 | Date: | 29.04.1992 | Language: | EN | [1992/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.03.1992 | Classification | IPC: | G02B6/28, G02B6/14, G02B6/34 | [1991/21] | CPC: |
G02B6/02071 (EP,US);
G02B6/14 (EP,US);
G02B6/29331 (EP,US);
G02B6/29389 (EP,US);
G02B6/02047 (EP,US);
G02B6/29344 (EP,US)
| Designated contracting states | DE, GB [1991/21] | Title | German: | Wellenlängenselektive Modenkoppler | [1991/21] | English: | Wavelength selective mode couplers | [1991/21] | French: | Coupleurs de modes sélectifs pour la longueur d'ondes | [1991/21] | Examination procedure | 15.10.1992 | Examination requested [1992/52] | 20.06.1994 | Despatch of a communication from the examining division (Time limit: M04) | 19.10.1994 | Reply to a communication from the examining division | 04.04.1995 | Despatch of a communication from the examining division (Time limit: M06) | 04.10.1995 | Reply to a communication from the examining division | 31.07.1996 | Despatch of a communication from the examining division (Time limit: M06) | 01.02.1997 | Application deemed to be withdrawn, date of legal effect [1997/32] | 13.03.1997 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1997/32] | Fees paid | Renewal fee | 16.11.1992 | Renewal fee patent year 03 | 09.11.1993 | Renewal fee patent year 04 | 16.11.1994 | Renewal fee patent year 05 | 17.11.1995 | Renewal fee patent year 06 | 18.11.1996 | 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]DE2632861 (SIEMENS AG); | [A]GB1521778 (POST OFFICE); | [Y]EP0143583 (UNIV LELAND STANFORD JUNIOR [US]); | [X]GB2188719 (STC PLC) |