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

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0292817

EP0292817 - Circuit for obtaining bipolar digital signals [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  26.07.1993
Database last updated on 13.09.2024
Most recent event   Tooltip26.07.1993Withdrawal of applicationpublished on 15.09.1993 [1993/37]
Applicant(s)For all designated states
Richard Hirschmann GmbH & Co.
Postfach 110
73726 Esslingen / DE
[N/P]
Former [1990/13]For all designated states
Richard Hirschmann GmbH & Co.
Postfach 110
D-73726 Esslingen / DE
Former [1988/48]For all designated states
Richard Hirschmann Radiotechnisches Werk
Richard-Hirschmann-Strasse 19 Postfach 110
D-73702 Esslingen / DE
Inventor(s)01 / Ludolf, Wilhelm, Dr.
Bärbelesweg 9
D-7440 Nürtingen-Hardt / DE
02 / Schmid, Bernhard
Silberburgstrasse 185
D-7000 Stuttgart 1 / DE
03 / Schenkyr, Rainer
Römerstrasse 15
D-7316 Köngen / DE
[1988/48]
Representative(s)Geyer, Ulrich F., et al
Wagner & Geyer
Patentanwälte
Gewürzmühlstrasse 5
80538 München / DE
[N/P]
Former [1992/49]Geyer, Ulrich F., Dr., Dipl.Phys., et al
Wagner & Geyer, Patentanwälte, Gewürzmühlstrasse 5
D-80538 München / DE
Former [1988/48]Stadler, Heinz, Dipl.-Ing.
Richard Hirschmann GmbH & Co. Abteilung PRP Postfach 16 49
D-72606 Nürtingen / DE
Application number, filing date88107771.314.05.1988
[1988/48]
Priority number, dateDE1987371800127.05.1987         Original published format: DE 3718001
[1988/48]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0292817
Date:30.11.1988
Language:DE
[1988/48]
Type: A3 Search report 
No.:EP0292817
Date:16.05.1990
Language:DE
[1990/20]
Search report(s)(Supplementary) European search report - dispatched on:EP27.03.1990
ClassificationIPC:H04L25/22
[1988/48]
CPC:
H04L25/22 (EP)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL [1988/48]
TitleGerman:Schaltungsanordnung zur Erzeugung bipolarer digitaler Datensignale[1988/48]
English:Circuit for obtaining bipolar digital signals[1988/48]
French:Circuit pour l'obtention de signaux numériques bipolaires[1988/48]
File destroyed:12.06.1999
Examination procedure12.07.1990Examination requested  [1990/36]
01.04.1992Despatch of a communication from the examining division (Time limit: M08)
30.11.1992Reply to a communication from the examining division
08.01.1993Despatch of a communication from the examining division (Time limit: M06)
19.07.1993Application withdrawn by applicant  [1993/37]
Fees paidRenewal fee
26.05.1990Renewal fee patent year 03
26.03.1991Renewal fee patent year 04
27.05.1992Renewal fee patent year 05
25.05.1993Renewal fee patent year 06
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]GB1598679  ;
 [Y]US4355423
 [A]  - COMPUTER DESIGN, Band 20, Nr. 11, November 1981, Seiten 233-238,240; B. ROEHR: "VMOS transistors interface ICs to high power loads"
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.