blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0766358

EP0766358 - Fibre amplifier for a plurality of signals of different wavelengths comprising a wavelength demultiplexer and wavelength multiplexer [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.04.2002
Database last updated on 15.07.2024
Most recent event   Tooltip19.04.2002No opposition filed within time limitpublished on 05.06.2002  [2002/23]
Applicant(s)For all designated states
SIEMENS AKTIENGESELLSCHAFT
Werner-von-Siemens-Str. 1
DE-80333 München / DE
[N/P]
Former [1997/14]For all designated states
SIEMENS AKTIENGESELLSCHAFT
Wittelsbacherplatz 2
80333 München / DE
Inventor(s)01 / Haltenorth, Helmut, Dr.
Werner-Friedmann-Bg. 18
80993 München / DE
[1997/14]
Application number, filing date96114910.117.09.1996
[1997/14]
Priority number, dateDE199513623128.09.1995         Original published format: DE 19536231
[1997/14]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0766358
Date:02.04.1997
Language:DE
[1997/14]
Type: B1 Patent specification 
No.:EP0766358
Date:13.06.2001
Language:DE
[2001/24]
Search report(s)(Supplementary) European search report - dispatched on:EP23.01.1997
ClassificationIPC:H01S3/06, G02B6/26
[1997/14]
CPC:
G02B6/266 (EP); H01S3/06758 (EP); H04J14/0221 (EP);
H01S2301/02 (EP); H01S2301/06 (EP)
Designated contracting statesDE,   FR,   GB,   IT [1997/14]
TitleGerman:Faserverstärker für mehrere Signale mit unterschiedlichen Wellenlängen unter Einsatz eines Wellenlängendemultiplexers und eines Wellenlängenmultiplexers[1997/14]
English:Fibre amplifier for a plurality of signals of different wavelengths comprising a wavelength demultiplexer and wavelength multiplexer[1997/14]
French:Amplificateur à fibre optique pour une multitude de signaux à longueurs d'onde différentes comprenant un démultiplexeur et un multiplexeur[1997/14]
Examination procedure04.03.1997Examination requested  [1997/18]
30.10.1998Despatch of a communication from the examining division (Time limit: M06)
10.05.1999Reply to a communication from the examining division
13.11.2000Despatch of communication of intention to grant (Approval: Yes)
07.12.2000Communication of intention to grant the patent
05.03.2001Fee for grant paid
05.03.2001Fee for publishing/printing paid
Opposition(s)14.03.2002No opposition filed within time limit [2002/23]
Fees paidRenewal fee
17.09.1998Renewal fee patent year 03
17.09.1999Renewal fee patent year 04
18.09.2000Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
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[Y]US5392154  (CHANG GEE-KUNG [US], et al) [Y] 1-5 * figure 2 *;
 [Y]  - ZERVAS M N ET AL, "EFFICIENT ERBIUM-DOPED FIBER AMPLIFIERS INCORPORATING AN OPTICAL ISOLATOR", IEEE JOURNAL OF QUANTUM ELECTRONICS, (19950301), vol. 31, no. 3, pages 472 - 480, XP000491569 [Y] 1-5 * the whole document *

DOI:   http://dx.doi.org/10.1109/3.364402
 [Y]  - WILLNER A E ET AL, "PASSIVE EQUALIZATION OF NONUNIFORM EDFA GAIN BY OPTICAL FILTERING FOR MEGAMETER TRANSMISSION OF 20 WDM CHANNELS THROUGH A CASCADE OF EDFA'S", IEEE PHOTONICS TECHNOLOGY LETTERS, (19930901), vol. 5, no. 9, pages 1023 - 1026, XP000414169 [Y] 1-5 * the whole document *

DOI:   http://dx.doi.org/10.1109/68.257179
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.