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Extract from the Register of European Patents

EP About this file: EP0027557

EP0027557 - Circuit arrangement for the transmission of digital signals between transmitting and receiving equipment operating with different data transmission modes and different data formats [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  23.07.1987
Database last updated on 24.07.2024
Most recent event   Tooltip12.11.1999Lapse of the patent in a contracting statepublished on 29.12.1999 [1999/52]
Applicant(s)For all designated states
SIEMENS AKTIENGESELLSCHAFT
Werner-von-Siemens-Str. 1
DE-80333 München / DE
[N/P]
Former [1981/17]For all designated states
SIEMENS AKTIENGESELLSCHAFT
Wittelsbacherplatz 2
D-80333 München / DE
Inventor(s)01 / Hagen, Rolf, Dipl.-Ing.
Fasanenstrasse 38
D-8025 Unterhaching / DE
02 / Bergman, Ola
Solveyien 68
N Oslo 11 / NO
03 / Harenberg, Jürgen, Ing. Grad.
Schusterstrasse 15
D-8000 München 71 / DE
04 / Steiner, Herbert
Gut Schwaigwall 4
D-8191 Gelting / DE
[1981/17]
Application number, filing date80105713.423.09.1980
[1981/17]
Priority number, dateDE1979293875025.09.1979         Original published format: DE 2938750
[1981/17]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0027557
Date:29.04.1981
Language:DE
[1981/17]
Type: A3 Search report 
No.:EP0027557
Date:17.06.1981
Language:DE
[1981/24]
Type: B1 Patent specification 
No.:EP0027557
Date:13.04.1983
Language:DE
[1983/15]
Search report(s)(Supplementary) European search report - dispatched on:EP13.04.1981
ClassificationIPC:H04L11/00, H04L25/38
[1981/17]
CPC:
H04L12/52 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1981/17]
TitleGerman:Schaltungsanordnung zur Übertragung digitaler Signale zwischen mit unterschiedlichen Datenübertragungsprozeduren und mit unterschiedlichen Datenformaten arbeitenden Sende- und Empfangsvorrichtungen[1981/17]
English:Circuit arrangement for the transmission of digital signals between transmitting and receiving equipment operating with different data transmission modes and different data formats[1981/17]
French:Dispositif pour la transmission de signaux numériques entre des circuits d'émission et des circuits de réception travaillant avec différentes procédures de transmission de données et différents formats de données[1981/17]
Examination procedure12.10.1981Examination requested  [1981/51]
23.07.1982Despatch of communication of intention to grant (Approval: )
15.10.1982Communication of intention to grant the patent
15.11.1982Fee for grant paid
15.11.1982Fee for publishing/printing paid
Opposition(s)Opponent(s)01  12.01.1984  12.03.1984  ADMISSIBLE
Philips Patentverwaltung GmbH
Billstrasse 80 Postfach 10 02 29
2000 Hamburg 28 / DE
 [1984/12]
12.03.1984Invitation to proprietor to file observations on the notice of opposition
13.07.1984Reply of patent proprietor to notice(s) of opposition
06.02.1985Despatch of a communication from the opposition division (Time limit: M04)
15.06.1985Reply to a communication from the opposition division
18.09.1985Despatch of a communication from the opposition division (Time limit: M04)
20.01.1986Reply to a communication from the opposition division
16.04.1987Date of despatch of rejection of opposition
27.04.1987Legal effect of rejection of opposition [1987/37]
Fees paidRenewal fee
23.09.1982Renewal fee patent year 03
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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.
Lapses during opposition  TooltipLU30.09.1983
[1999/52]
Documents cited:SearchDE2134350  [ ] (STANDARD ELEKTRIK LORENZ AG);
 DE2416730  [ ] (PLESSEY HANDEL INVESTMENT AG);
 DE2813961  [ ] (SIEMENS AG);
 [P]DE2853138  (SIEMENS AG);
 [E]EP0017035  (SIEMENS AG [DE])
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.