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Extract from the Register of European Patents

EP About this file: EP0280075

EP0280075 - Optical receiver with polarisation diversity [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.07.1994
Database last updated on 05.10.2024
Most recent event   Tooltip26.01.1995Lapse of the patent in a contracting state
New state(s): BE
published on 15.03.1995 [1995/11]
Applicant(s)For all designated states
SIEMENS AKTIENGESELLSCHAFT
Werner-von-Siemens-Str. 1
DE-80333 München / DE
[N/P]
Former [1988/35]For all designated states
SIEMENS AKTIENGESELLSCHAFT
Wittelsbacherplatz 2
D-80333 München / DE
Inventor(s)01 / Pietzsch, Joachim, Dr.
Waakirchner Strasse 34
D-8000 München 70 / DE
02 / Noe, Reinhold
Sulzbacherstrasse 6
D-8000 München 40 / DE
[1988/35]
Application number, filing date88101498.902.02.1988
[1988/35]
Priority number, dateDE1987370646427.02.1987         Original published format: DE 3706464
[1988/35]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0280075
Date:31.08.1988
Language:DE
[1988/35]
Type: A3 Search report 
No.:EP0280075
Date:23.05.1990
Language:DE
[1990/21]
Type: B1 Patent specification 
No.:EP0280075
Date:22.09.1993
Language:DE
[1993/38]
Search report(s)(Supplementary) European search report - dispatched on:EP05.04.1990
ClassificationIPC:H04B10/14
[1993/38]
CPC:
H04B10/616 (EP); H04B10/614 (EP); H04B10/63 (EP)
Former IPC [1988/35]H04B9/00
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL [1988/35]
TitleGerman:Optischer Polarisations-Diversitäts-Empfänger[1988/35]
English:Optical receiver with polarisation diversity[1988/35]
French:Récepteur optique à diversité de polarisation[1988/35]
Examination procedure09.10.1990Examination requested  [1990/49]
06.08.1992Despatch of a communication from the examining division (Time limit: M04)
12.11.1992Reply to a communication from the examining division
03.03.1993Despatch of communication of intention to grant (Approval: Yes)
17.03.1993Communication of intention to grant the patent
04.06.1993Fee for grant paid
04.06.1993Fee for publishing/printing paid
Opposition(s)23.06.1994No opposition filed within time limit [1994/37]
Fees paidRenewal fee
26.02.1990Renewal fee patent year 03
20.12.1990Renewal fee patent year 04
25.02.1992Renewal fee patent year 05
18.02.1993Renewal fee patent year 06
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Lapses during opposition  TooltipNL22.09.1993
GB02.02.1994
BE28.02.1994
[1995/11]
Former [1995/03]NL22.09.1993
GB02.02.1994
Former [1994/39]NL22.09.1993
Documents cited:Search[A]DE3431896  (PHILIPS PATENTVERWALTUNG [DE])
 [A]  - JOURNAL OF LIGHTWAVE TECHNOLOGY, Band LT-3, Nr. 5, Oktober 1985, Seiten 1110-1122, New York, US; ABBAS et al.: "A Dual-Detector Optical Heterodyne Receiver for Local Oscillator Noise Suppression"
 [AD]  - ECOC'86, "EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS", Barcelona, SP, 22.-25. September 1986, Seiten 407-410; H. KUWAHARA et al.: "New Receiver Design for Practical Coherent Lightwave Transmission System"
 [A]  - 4TH ICIO AND OFC, FOURTH INTERNATIONAL CONFERENCE ON INTEGRATED OPTICS AND OPTICAL FIBER COMMUNICATION, Tokyo, JP, 27.-30. Juni 1983, Seiten 385-387; T. OKOSHI et al.: "Polarization-Diversity Receiver for Heterodyne/Coherent Optical Fiber Communications"
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.