blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0794472

EP0794472 - A developing cartridge and an electrophotographic image forming apparatus with this developing cartridge [Right-click to bookmark this link]
Former [1997/37]A developing cartridge
[2001/23]
StatusNo opposition filed within time limit
Status updated on  20.06.2003
Database last updated on 15.11.2024
Most recent event   Tooltip11.01.2008Lapse of the patent in a contracting statepublished on 13.02.2008  [2008/07]
Applicant(s)For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
[N/P]
Former [1997/37]For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
Inventor(s)01 / Yokomori, Kanji
Canon Kabushiki Kaisha, 30-2, Shimomaruko 3-chome
Ohta-ku, Tokyo / JP
02 / Kojima, Hisayoshi
Canon Kabushiki Kaisha, 30-2, Shimomaruko 3-chome
Ohta-ku, Tokyo / JP
03 / Kanno, Kazuhiko
Canon Kabushiki Kaisha, 30-2, Shimomaruko 3-chome
Ohta-ku, Tokyo / JP
[1997/37]
Representative(s)Beresford, Keith Denis Lewis, et al
Beresford Crump LLP
16 High Holborn
London WC1V 6BX / GB
[N/P]
Former [1997/37]Beresford, Keith Denis Lewis, et al
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ / GB
Application number, filing date97301461.605.03.1997
[1997/37]
Priority number, dateJP1996004737505.03.1996         Original published format: JP 4737596
JP1996004737605.03.1996         Original published format: JP 4737696
JP1997004782603.03.1997         Original published format: JP 4782697
[1997/37]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0794472
Date:10.09.1997
Language:EN
[1997/37]
Type: B1 Patent specification 
No.:EP0794472
Date:14.08.2002
Language:EN
[2002/33]
Search report(s)(Supplementary) European search report - dispatched on:EP20.06.1997
ClassificationIPC:G03G15/01, G03G15/08
[1997/37]
CPC:
G03G15/0126 (EP,US); G03G15/0896 (EP,US); G03G2215/0174 (EP,US);
G03G2215/0177 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI [1997/37]
TitleGerman:Entwicklungseinheit und ein elektrophotographisches Bilderzeugungsgerät mit dieser Entwicklungseinheit[2001/23]
English:A developing cartridge and an electrophotographic image forming apparatus with this developing cartridge[2001/23]
French:Ensemble de développement et un appareil de formation d'images électrophotographique avec cet ensemble de développement[2001/23]
Former [1997/37]Entwicklungseinheit
Former [1997/37]A developing cartridge
Former [1997/37]Ensemble de développement
Examination procedure21.01.1998Examination requested  [1998/12]
22.05.2000Despatch of a communication from the examining division (Time limit: M06)
01.12.2000Reply to a communication from the examining division
06.07.2001Despatch of communication of intention to grant (Approval: No)
15.11.2001Despatch of communication of intention to grant (Approval: later approval)
22.01.2002Communication of intention to grant the patent
27.03.2002Fee for grant paid
27.03.2002Fee for publishing/printing paid
Opposition(s)15.05.2003No opposition filed within time limit [2003/32]
Fees paidRenewal fee
19.03.1999Renewal fee patent year 03
20.03.2000Renewal fee patent year 04
21.03.2001Renewal fee patent year 05
27.03.2002Renewal fee patent year 06
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  TooltipIT14.08.2002
[2008/07]
Documents cited:Search[A]EP0613060  (CANON KK [JP]) [A] 1-35 * figure -; claim - *;
 [A]GB2185914  (SHARP KK) [A] 1-35 * figures 1,2 *;
 [A]EP0644465  (MATSUSHITA ELECTRIC IND CO LTD [JP]) [A] 1-35 * figures 3-6 *;
 [A]US5198866  (KIMURA NORIYUKI [JP], et al) [A] 1-35 * figure - *;
 [A]US4916490  (TANAKA HIDETOSHI [JP], et al) [A] 1-35 * figure - *;
 [A]JPS58134663  ;
 [A]JPS6026377  ;
 [A]US4583832  (KASAMURA TOSHIROU [JP], et al) [A] 1-35 * figures 1,3,4 *;
 [A]US4866482  (HIRASAWA JUNICHI [JP], et al) [A] 1-35 * figures 7,8 *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19831105), vol. 007, no. 249, Database accession no. (P - 234), & JP58134663 A 19830810 (CANON KK) [A] 1-35 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19850622), vol. 009, no. 148, Database accession no. (P - 366), & JP60026377 A 19850209 (FUJI XEROX KK) [A] 1-35 * abstract *
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.