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Extract from the Register of European Patents

EP About this file: EP0318067

EP0318067 - Wideband microwave hybrid circuit with in phase or phase inverted outputs [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.02.1995
Database last updated on 19.10.2024
Most recent event   Tooltip09.02.1995No opposition filed within time limitpublished on 29.03.1995 [1995/13]
Applicant(s)For all designated states
SIEMENS TELECOMUNICAZIONI S.P.A.
SS. 11 Padana Superiore Km. 158
20060 Cassina de Pecchi (Milano) / IT
[N/P]
Former [1989/22]For all designated states
SIEMENS TELECOMUNICAZIONI S.P.A.
SS. 11 Padana Superiore Km. 158
I-20060 Cassina de Pecchi (Milano) / IT
Inventor(s)01 / Marconi, Franco
Via Tosi, 3
I-20052 Monza (Milano) / IT
[1989/22]
Representative(s)(deleted)
[1992/40]
Former [1989/22]Mittler, Enrico, et al
c/o Marchi & Mittler s.r.l. Viale Lombardia, 20
I-20131 Milano / IT
Application number, filing date88202074.623.09.1988
[1989/22]
Priority number, dateIT1987002210301.10.1987         Original published format: IT 2210387
[1989/22]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0318067
Date:31.05.1989
Language:EN
[1989/22]
Type: A3 Search report 
No.:EP0318067
Date:09.05.1990
Language:EN
[1990/19]
Type: B1 Patent specification 
No.:EP0318067
Date:06.04.1994
Language:EN
[1994/14]
Search report(s)(Supplementary) European search report - dispatched on:EP21.03.1990
ClassificationIPC:H01P5/18
[1989/22]
CPC:
H01P5/18 (EP,US)
Designated contracting statesDE,   FR,   IT,   NL,   SE [1989/22]
TitleGerman:Breitbandiger Mikrowellenhybridkoppler mit gleichphasigen oder gegenphasigen Ausgangsanschlüssen[1989/22]
English:Wideband microwave hybrid circuit with in phase or phase inverted outputs[1989/22]
French:Circuit hybride à large bande en hyperfréquence avec des sorties en phase ou en opposition de phase[1989/22]
Examination procedure26.10.1990Examination requested  [1991/01]
17.02.1993Despatch of a communication from the examining division (Time limit: M04)
16.06.1993Reply to a communication from the examining division
07.09.1993Despatch of communication of intention to grant (Approval: Yes)
08.10.1993Communication of intention to grant the patent
16.12.1993Fee for grant paid
16.12.1993Fee for publishing/printing paid
Opposition(s)10.01.1995No opposition filed within time limit [1995/13]
Fees paidRenewal fee
11.09.1990Renewal fee patent year 03
23.09.1991Renewal fee patent year 04
15.09.1992Renewal fee patent year 05
15.09.1993Renewal fee patent year 06
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Documents cited:Search[A]US2897456  (GEPPERT DONOVAN V)
 [A]  - R.C.A. REVIEW, vol. 42, no. 4, December 1981; M. KUMAR: "Dual-gate FET phase shifter", pages 596-616
 [A]  - THE RADIO AND ELECTRONIC ENGINEER, vol. 54, no. 11-12, November-December 1984; R.G. MANTON: "Hybrid networks and their uses in radio-frequency circuits", pages 473-489
 [A]  - I.E.E.E. TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, vol. MTT-20, no. 8, August 1972; D. LACOMBE et al.: "Octave-band microstrip DC blocks", pages 556-556
 [A]  - A.E.Ü., vol. 26, no. 1, January 1972; D. BURGER et al.: "Zum Entwurf von Filtern aus Leitungselementen gleicher Länge", pages 31-44
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.