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Extract from the Register of European Patents

EP About this file: EP0366428

EP0366428 - Magnetron tuning systems [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.12.1996
Database last updated on 24.08.2024
Most recent event   Tooltip30.11.2007Lapse of the patent in a contracting statepublished on 02.01.2008  [2008/01]
Applicant(s)For all designated states
EEV LIMITED
106 Waterhouse Lane
Chelmsford, Essex, CM1 2QU / GB
[1990/18]
Inventor(s)01 / Squibb, Keith
19 Abbotts Place
Chelmsford Essex CM2 6RD / GB
[1990/18]
Representative(s)Cockayne, Gillian, et al
Marconi Intellectual Property
Crompton Close
Basildon
Essex SS14 3BA / GB
[N/P]
Former [1995/46]Cockayne, Gillian, et al
GEC Patent Department Waterhouse Lane
Chelmsford, Essex CM1 2QX / GB
Former [1994/01]Rees, Alexander Ellison
The General Electric Company, p.l.c. GEC Patent Department Waterhouse Lane
Chelmsford, Essex CM1 2QX / GB
Former [1990/18]Cockayne, Gillian
The General Electric Company plc GEC Patent Department Waterhouse Lane
Chelmsford, Essex CM1 2QX / GB
Application number, filing date89310974.424.10.1989
[1990/18]
Priority number, dateGB1988002483924.10.1988         Original published format: GB 8824839
[1990/18]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0366428
Date:02.05.1990
Language:EN
[1990/18]
Type: A3 Search report 
No.:EP0366428
Date:17.04.1991
Language:EN
[1991/16]
Type: B1 Patent specification 
No.:EP0366428
Date:07.02.1996
[1996/06]
Search report(s)(Supplementary) European search report - dispatched on:EP28.02.1991
ClassificationIPC:H01J23/213
[1990/18]
CPC:
H01J23/213 (EP,US)
Designated contracting statesDE,   FR,   IT [1990/18]
TitleGerman:Vorrichtung zur Abstimmung eines Magnetrons[1990/18]
English:Magnetron tuning systems[1990/18]
French:Système d'accord de magnétron[1990/18]
Examination procedure11.04.1991Examination requested  [1991/24]
01.07.1993Despatch of a communication from the examining division (Time limit: M04)
30.10.1993Reply to a communication from the examining division
08.06.1994Despatch of a communication from the examining division (Time limit: M04)
12.10.1994Reply to a communication from the examining division
11.01.1995Despatch of communication of intention to grant (Approval: Yes)
19.04.1995Communication of intention to grant the patent
02.05.1995Fee for grant paid
02.05.1995Fee for publishing/printing paid
Opposition(s)08.11.1996No opposition filed within time limit [1997/06]
Fees paidRenewal fee
24.09.1991Renewal fee patent year 03
01.10.1992Renewal fee patent year 04
10.02.1994Renewal fee patent year 05
04.10.1994Renewal fee patent year 06
18.10.1995Renewal fee patent year 07
Penalty fee
Additional fee for renewal fee
31.10.199305   M06   Fee paid on   10.02.1994
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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  TooltipIT07.02.1996
DE08.05.1996
[2008/01]
Former [1999/42]IT07.02.1996
DE08.05.1996
Former [1996/44]DE08.05.1996
Documents cited:Search[A]FR1572068  ;
 [A]DE1491394  (RAYTHEON CO [US]);
 [A]US4100458  (PICKERING ALAN HUGH, et al)
 [A]  - JOURNAL OF ELECTRONICS AND CONTROL. vol. 11, no. 4, October 1961, LONDON GB pages 241 - 279; T. S. CHEN: "Symmetrical Tuning of a Multi-resonator Magnetron"
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.