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EP0476830
European procedure
Extract from the Register of European Patents
EP About this file: EP0476830
| EP0476830 - Method of operating concatenated optical amplifiers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.03.2000 Database last updated on 22.05.2024 | Most recent event Tooltip | 10.03.2000 | No opposition filed within time limit | published on 26.04.2000 [2000/17] | Applicant(s) | For all designated states Tyco Submarine Systems Ltd. 340 Mount Kemble Avenue Morristown, NJ 07960 / US | [1999/14] |
| Former [1992/13] | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | Inventor(s) | 01 /
Desurvire, Emmanuel 1110 Knollwood Drive Middletown, New Jersey 07748 / US | 02 /
Giles, Clinton Randy 12 Stonenhenge Drive Holmdel, New Jersey 07733 / US | [1992/13] | Representative(s) | Weitzel, David Stanley, et al Brookes Batchellor 102-108 Clerkenwell Road London EC1M 5SA / GB | [N/P] |
| Former [1998/22] | Weitzel, David Stanley, et al Batchellor, Kirk & Co., 2 Pear Tree Court, Farringdon Road London EC1R 0DS / GB | ||
| Former [1992/13] | 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 | 91307469.6 | 13.08.1991 | [1992/13] | Priority number, date | US19900571958 | 23.08.1990 Original published format: US 571958 | [1992/13] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0476830 | Date: | 25.03.1992 | Language: | EN | [1992/13] | Type: | A3 Search report | No.: | EP0476830 | Date: | 08.07.1992 | Language: | EN | [1992/28] | Type: | B1 Patent specification | No.: | EP0476830 | Date: | 06.05.1999 | Language: | EN | [1999/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.05.1992 | Classification | IPC: | H04B10/16, G02F1/39, H01S3/108 | [1992/34] | CPC: |
H04B10/2935 (EP,US);
H04B10/2912 (EP,US);
H01S2301/02 (EP,US);
H01S3/06754 (EP,US)
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| Former IPC [1992/13] | H04B10/16 | Designated contracting states | DE, FR, GB [1992/13] | Title | German: | Verfahren zum Betrieb von verketteten optischen Verstärkern | [1992/13] | English: | Method of operating concatenated optical amplifiers | [1992/13] | French: | Procédé de fonctionnement d'amplificateurs optiques enchaînés | [1992/13] | Examination procedure | 07.12.1992 | Examination requested [1993/05] | 14.03.1996 | Despatch of a communication from the examining division (Time limit: M06) | 10.09.1996 | Reply to a communication from the examining division | 21.01.1997 | Despatch of a communication from the examining division (Time limit: M04) | 20.05.1997 | Reply to a communication from the examining division | 17.09.1997 | Despatch of communication of intention to grant (Approval: Yes) | 02.06.1998 | Despatch of communication that the application is refused, reason: formalities examination {1} | 08.09.1998 | Communication of intention to grant the patent | 27.11.1998 | Fee for grant paid | 27.11.1998 | Fee for publishing/printing paid | Opposition(s) | 08.02.2000 | No opposition filed within time limit [2000/17] | Request for further processing for: | 29.07.1998 | Request for further processing filed | 30.07.1998 | Full payment received (date of receipt of payment) Request granted | 08.09.1998 | Decision despatched | Fees paid | Renewal fee | 13.08.1993 | Renewal fee patent year 03 | 18.08.1994 | Renewal fee patent year 04 | 11.08.1995 | Renewal fee patent year 05 | 19.08.1996 | Renewal fee patent year 06 | 24.07.1997 | Renewal fee patent year 07 | 12.08.1998 | Renewal fee patent year 08 |
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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 | [XD] - IEEE JOURNAL OF QUANTUM ELECTRONICS, vol. QE-18, no. 10, October 1982, New York TAKAAKI MUKAI et al. "S/N and Error Rate Performance in AlGaAs Semiconductor Laser Preamplifier and Linear Repeater Systems" pages 1560-1568 | [AD] - IEEE JOURNAL OF QUANTUM ELECTRONICS, vol. QE-16, no. 10, October 1980, New York YOSHIHISA YAMAMOTO et al. "Noise and Error Rate Perfor- mance of Semiconducteur Laser Amplifiers in PCM-IM Optical Transmission Systems" pages 1073-1081 |