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Extract from the Register of European Patents

EP About this file: EP0049793

EP0049793 - Contactless electronic switching device [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  12.07.1984
Database last updated on 03.09.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
ifm electronic gmbh
Teichstrasse 4
45127 Essen / DE
[N/P]
Former [1982/16]For all designated states
i f m electronic gmbh
Teichstrasse 4
D-45127 Essen / DE
Inventor(s)01 / Bittner, Wolfhard
Rosenstaffel 4
D-7992 Tettnang / DE
02 / Czech, Ingo-Siegurd
Sandöschstrasse 33
D-7990 Friedrichshafen / DE
03 / Hantsche, Gerhard
Joseph-Reiss-Strasse 7
D-7992 Tettnang / DE
[1982/16]
Representative(s)Gesthuysen, Hans Dieter
Patentanwälte
Gesthuysen, von Rohr & Eggert
Postfach 10 13 54
45013 Essen / DE
[N/P]
Former [1982/16]Gesthuysen, Hans Dieter, Dipl.-Ing.
Patentanwälte Gesthuysen, von Rohr & Weidener Postfach 10 13 33
D-45013 Essen / DE
Application number, filing date81107666.026.09.1981
[1982/16]
Priority number, dateDE1980303869214.10.1980         Original published format: DE 3038692
[1982/16]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0049793
Date:21.04.1982
Language:DE
[1982/16]
Type: A3 Search report 
No.:EP0049793
Date:06.10.1982
Language:DE
[1982/40]
Search report(s)(Supplementary) European search report - dispatched on:EP05.08.1982
ClassificationIPC:H03K17/955
[1982/16]
CPC:
H03K17/955 (EP)
Designated contracting statesAT,   BE,   CH,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1982/16]
TitleGerman:Elektronisches, berührungslos arbeitendes Schaltgerät[1982/16]
English:Contactless electronic switching device[1982/16]
French:Dispositif électronique de commutation fonctionnant sans contact[1982/16]
File destroyed:14.07.1990
Examination procedure08.10.1981Examination requested  [1982/16]
12.09.1983Despatch of a communication from the examining division (Time limit: M04)
24.01.1984Application deemed to be withdrawn, date of legal effect  [1984/37]
07.03.1984Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1984/37]
Fees paidRenewal fee
28.09.1983Renewal 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.
Documents cited:Search[Y]DE2203039
 [Y]  - VALVO TECHNISCHE INFORMATIONEN F]R DIE INDUSTRIE, Nr. 156, Mai 1971Hamburg. R. RANFFT: "Schaltugsprinzipien integrierter Operationsverst{ker"
 [A]  - VALVO BERICHTE, Band XIX, Heft 31975. J. GOERTH: "Stromspiegel-Schaltungen" Seiten 107 bis 1141
 [A]  - ELEKTRONIKPRAXIS, Nr. 10, Oktober 1976, "CA 3140 - Operationsverst{rker in BiMOS-Technik"Seiten 28 bis 35
 [A]  - F. BERGTOLD: "Schaltungen mit Operationsverst{rkern", Band II, 1973. R. OLDENBOURG VERLAG, M}nchen, WienSeiten 44 bis 48
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.