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Extract from the Register of European Patents

EP About this file: EP1357572

EP1357572 - Oxide Cathode for an electron gun, having a denser and thinner emissive zone [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  10.08.2007
Database last updated on 13.09.2024
Most recent event   Tooltip10.08.2007Application deemed to be withdrawnpublished on 12.09.2007  [2007/37]
Applicant(s)For all designated states
Thomson Licensing
1-5, rue Jeanne d'Arc
92130 Issy-les-Moulineaux / FR
[N/P]
Former [2005/40]For all designated states
Thomson Licensing
46, quai Alphonse Le Gallo
92100 Boulogne Billancourt / FR
Former [2003/44]For all designated states
Thomson Licensing S.A.
46, Quai Alphonse Le Gallo
92100 Boulogne Billancourt / FR
Inventor(s)01 / Ricaud, Jean-Luc
36, rue Charles Dumont
21000, Dijon / FR
02 / Proudhon, Gérard
7 rue Nicéphore Niepce
21800, CHEVIGNY SAINT SAUVEUR / FR
 [2003/44]
Representative(s)Browaeys, Jean-Philippe
TECHNICOLOR
1-5, rue Jeanne d'Arc
92130 Issy-les-Moulineaux / FR
[N/P]
Former [N/P]Browaeys, Jean-Philippe
Thomson 1, rue Jeanne d'Arc
92443 Issy-les-Moulineaux Cedex / FR
Former [2003/44]Browaeys, Jean-Philippe
Thomson multimedia European Patents Operations 46, quai Le Gallo
92648 Boulogne Cedex / FR
Application number, filing date03101008.514.04.2003
[2003/44]
Priority number, dateFR2002000518325.04.2002         Original published format: FR 0205183
[2003/44]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1357572
Date:29.10.2003
Language:EN
[2003/44]
Search report(s)(Supplementary) European search report - dispatched on:EP07.07.2003
ClassificationIPC:H01J1/142
[2003/44]
CPC:
H01J1/142 (EP,US); H01J1/13 (KR)
Designated contracting statesDE,   FR,   GB,   IT [2004/30]
Former [2003/44]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Oxidkathode für eine Elektronenkanone mit einer dichteren und weniger dicken emittierende Zone[2003/44]
English:Oxide Cathode for an electron gun, having a denser and thinner emissive zone[2003/44]
French:cathode à oxyde pour canon à electrons à zone emissive plus dense et moins epaisse[2003/44]
Examination proceduredeletedCommunication of intention to grant the patent
28.04.2004Examination requested  [2004/26]
09.11.2006Despatch of a communication from the examining division (Time limit: M04)
20.03.2007Application deemed to be withdrawn, date of legal effect  [2007/37]
27.04.2007Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2007/37]
Fees paidRenewal fee
20.04.2005Renewal fee patent year 03
25.04.2006Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
30.04.200705   M06   Not yet paid
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Documents cited:Search[X]EP0915492  (SONY CORP [JP], et al) [X] 1,3,9-12 * figure 9; claims 1-13,28-33 *;
 [A]US6351061  (YAMAUCHI MASAHIDE [JP], et al) [A] 1* claims 1-7 *
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.