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Extract from the Register of European Patents

EP About this file: EP0633507

EP0633507 - Electrophotographic photosensitive member, process cartridge using same and electrophotographic apparatus [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.12.1997
Database last updated on 14.09.2024
Most recent event   Tooltip09.05.2002Lapse of the patent in a contracting statepublished on 26.06.2002  [2002/26]
Applicant(s)For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
[N/P]
Former [1995/02]For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
Inventor(s)01 / Nakata, Kouichi
c/o Canon Kabushiki Kaisha, 3-30-2, Shimomaruko
Ohta-ku, Tokyo / JP
02 / Kikuchi, Toshihiro
c/o Canon Kabushiki Kaisha, 3-30-2, Shimomaruko
Ohta-ku, Tokyo / JP
03 / Senoo, Akihiro
c/o Canon Kabushiki Kaisha, 3-30-2, Shimomaruko
Ohta-ku, Tokyo / JP
04 / Kanemaru, Tetsuro
c/o Canon Kabushiki Kaisha, 3-30-2, Shimomaruko
Ohta-ku, Tokyo / JP
[1995/02]
Representative(s)Tiedtke, Harro, et al
Patentanwaltsbüro
Tiedtke-Bühling-Kinne & Partner
Bavariaring 4
80336 München / DE
[N/P]
Former [1995/02]Tiedtke, Harro, Dipl.-Ing., et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Application number, filing date94110681.708.07.1994
[1995/02]
Priority number, dateJP1993017046009.07.1993         Original published format: JP 17046093
[1995/02]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0633507
Date:11.01.1995
Language:EN
[1995/02]
Type: B1 Patent specification 
No.:EP0633507
Date:26.02.1997
Language:EN
[1997/09]
Search report(s)(Supplementary) European search report - dispatched on:EP10.11.1994
ClassificationIPC:G03G5/06
[1995/02]
CPC:
G03G5/0637 (EP,US); G03G5/06142 (EP,US); G03G5/0629 (EP,US);
G03G5/0607 (EP,US); G03G5/0681 (EP,US)
Designated contracting statesDE,   ES,   FR,   GB,   IT [1995/02]
TitleGerman:Elektrophotographisches, lichtempfindliches Element, und dieses benutzende Prozesskartusche, und elektrophotographisches Gerät[1995/02]
English:Electrophotographic photosensitive member, process cartridge using same and electrophotographic apparatus[1995/02]
French:Elément photosensible électrophotographique, cartouche de traitement l'utilisant, et appareil électrophotographique[1995/02]
Examination procedure08.07.1994Examination requested  [1995/02]
20.03.1996Despatch of communication of intention to grant (Approval: No)
14.08.1996Despatch of communication of intention to grant (Approval: later approval)
22.08.1996Communication of intention to grant the patent
22.11.1996Fee for grant paid
22.11.1996Fee for publishing/printing paid
Opposition(s)27.11.1997No opposition filed within time limit [1998/07]
Fees paidRenewal fee
31.07.1996Renewal fee patent year 03
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Lapses during opposition  TooltipES26.02.1997
[2002/26]
Documents cited:Search[A]EP0449741  (CANON KK [JP]) [A] 1-7 * page 3 - page 6; examples 1-27 * * claims 10,11 *;
 [A]EP0482884  (CANON KK [JP]) [A] 1-7 * page 6 - page 19; examples 1-54 * * claims 13,14 *;
 [A]EP0504794  (CANON KK [JP]) [A] 1-7 * page 35; examples 2-64 * * claims 15,19 *
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.