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Extract from the Register of European Patents

EP About this file: EP0038520

EP0038520 - Frequency stabilisation method for a high-frequency freely oscillating oscillator [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  06.08.1987
Database last updated on 02.11.2024
Most recent event   Tooltip17.04.2015Change - lapse in a contracting state
State(s) deleted from list of lapses: CH, LI		published on 20.05.2015  [2015/21]
Applicant(s)For all designated states
SIEMENS AKTIENGESELLSCHAFT
Werner-von-Siemens-Str. 1
DE-80333 München / DE
[N/P]
Former [1981/43]For all designated states
SIEMENS AKTIENGESELLSCHAFT
Wittelsbacherplatz 2
D-80333 München / DE
Inventor(s)01 / Kloeber, Peter, Dipl.-Ing.
Uhdestrasse 20
D-8000 München 71 / DE
02 / Müller, Friedrich, Dipl.-Ing.
Maxhofstrasse 74
D-8000 München 71 / DE
[1981/43]
Application number, filing date81102865.314.04.1981
[1981/43]
Priority number, dateDE1980301548422.04.1980         Original published format: DE 3015484
[1981/43]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0038520
Date:28.10.1981
Language:DE
[1981/43]
Type: B1 Patent specification 
No.:EP0038520
Date:11.07.1984
Language:DE
[1984/28]
Search report(s)(Supplementary) European search report - dispatched on:EP03.08.1981
ClassificationIPC:H03C3/09, H04L27/12
[1981/43]
CPC:
H03C3/0966 (EP); H03C3/0925 (EP); H03C3/0941 (EP);
H03L7/23 (EP); H04L27/12 (EP)
Designated contracting statesAT,   BE,   CH,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1981/43]
TitleGerman:Verfahren zur Frequenzstabilisierung eines hochfrequenten freischwingenden Oszillators[1981/43]
English:Frequency stabilisation method for a high-frequency freely oscillating oscillator[1981/43]
French:Procédé de stabilisation en fréquence d'un oscillateur haute fréquence à oscillation libre[1981/43]
Examination procedure28.10.1981Examination requested  [1982/01]
03.09.1982Despatch of a communication from the examining division (Time limit: M04)
05.01.1983Reply to a communication from the examining division
07.02.1983Despatch of a communication from the examining division (Time limit: M04)
05.05.1983Reply to a communication from the examining division
25.07.1983Despatch of communication of intention to grant (Approval: )
11.10.1983Communication of intention to grant the patent
26.10.1983Fee for grant paid
26.10.1983Fee for publishing/printing paid
Opposition(s)Opponent(s)01  25.03.1985  07.05.1985  ADMISSIBLE
Wandel & Goltermann GmbH & Co
Patentstelle Mühleweg 5
D-72800 Eningen / DE
 [1985/22]
14.05.1985Invitation to proprietor to file observations on the notice of opposition
17.09.1985Reply of patent proprietor to notice(s) of opposition
24.09.1985Communication of observations of patent proprietor (Time limit: M02)
23.11.1985Reply of parties involved to observations of patent proprietor
28.04.1987Despatch of communication that the patent will be revoked
08.05.1987Legal effect of revocation of patent [1987/39]
Fees paidRenewal fee
26.04.1983Renewal fee patent year 03
29.03.1984Renewal fee patent year 04
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.
Lapses during opposition  TooltipLU30.04.1985
AT14.04.1986
SE15.04.1986
NL01.11.1986
[2015/21]
Former [1999/52]LU30.04.1985
AT14.04.1986
SE15.04.1986
CH30.04.1986
LI30.04.1986
NL01.11.1986
Former [1989/22]AT14.04.1986
SE15.04.1986
CH30.04.1986
LI30.04.1986
NL01.11.1986
Former [1989/15]AT14.04.1986
SE15.04.1986
NL01.11.1986
Former [1988/34]AT14.04.1986
NL01.11.1986
Former [1987/22]AT14.04.1986
Documents cited:SearchFR1604830  [ ];
 DE2261257  [ ] (ADRET ELECTRONIQUE);
 FR2250226  [ ] (CIT ALCATEL [FR]);
 US4068198  [ ] (OTTO JEFFREY C);
 DE2744110  [ ] (SIEMENS AG);
 FR2404966  [ ] (SIEMENS AG [DE]);
 DE2914814  [ ] (SIEMENS AG);
 GB2046541  [ ] (SIEMENS AG)
    [ ] - Systems Technology, Nr. 19, September 1974, seiten 14-18 Liverpool, G.B. R. THOMPSON et al.: "Digital Angle Modulation for Data Transmission" * seite 15, linke spalte, zeile 30 - rechte spalte, zeile 17; figuren 1a, 1b *
    [ ] - Microwave Journal, Band 20, Nr. 4, April 19778 seiten 40-43, 46,47 Dedham, U.S.A. R.S. NAPIER et al.: "18-40 GHz Broadband Frequency Synthesizer Technique" * seite 43, linke spalte, zeile 50 - rechte spalte, zeile 9 *
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.