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Extract from the Register of European Patents

EP About this file: EP0258574

EP0258574 - Filter device [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  05.06.1990
Database last updated on 14.09.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
Blaupunkt-Werke GmbH
Postfach 77 77 77
31132 Hildesheim / DE
[N/P]
Former [1988/10]For all designated states
Blaupunkt-Werke GmbH
Postfach 77 77 77
D-31132 Hildesheim / DE
Inventor(s)01 / Vogelsang, Ulrich, Dr. Ing.
Asterweg 10b
D-3200 Hildesheim / DE
[1988/10]
Representative(s)Eilers, Norbert
Blaupunkt-Werke GmbH Patente und Lizenzen Postfach 77 77 77
31132 Hildesheim / DE
[N/P]
Former [1988/10]Eilers, Norbert, Dipl.-Phys.
Blaupunkt-Werke GmbH Patente und Lizenzen Postfach 77 77 77
D-31132 Hildesheim / DE
Application number, filing date87109778.807.07.1987
[1988/10]
Priority number, dateDE1986362767914.08.1986         Original published format: DE 3627679
[1988/10]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0258574
Date:09.03.1988
Language:DE
[1988/10]
Type: A3 Search report 
No.:EP0258574
Date:05.07.1989
Language:DE
[1989/27]
Search report(s)(Supplementary) European search report - dispatched on:EP17.05.1989
ClassificationIPC:H03H17/02
[1988/10]
CPC:
H03H17/02 (EP)
Designated contracting statesDE,   FR,   GB,   IT [1988/10]
TitleGerman:Filteranordnung[1988/10]
English:Filter device[1988/10]
French:Dispositif de filtrage[1988/10]
File destroyed:28.01.1999
Examination procedure01.02.1990Application deemed to be withdrawn, date of legal effect  [1990/30]
23.02.1990Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [1990/30]
Fees paidPenalty fee
Penalty fee Rule 85b EPC 1973
30.01.1990M01   Not yet paid
Additional fee for renewal fee
31.07.198903   M06   Not yet paid
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Documents cited:SearchUS4137510  [ ];
 DE2839229  [ ]
    [ ] - INTERNATIONAL CONFERENCE ON DIGITAL SIGNAL PROCESSING, 30. August - 2. September 1978, Seiten 683-687, Universita di Firenze, FlorenceIT; T.A. RAMSTAD: "Branch filtering using FIR and IIR complementary structures"
    [ ] - TELECOMMUNICATIONS & RADIO ENGINEERING, Band 37-38, Nr. 7, Juli 1983, Seiten 49-52, Scripta Publishing Co., Silver Spring, MDUS; A.I. GRECHIKHIN: "A filter-divider and a filter-adder with linear phase characteristics"
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.