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Extract from the Register of European Patents

EP About this file: EP0421331

EP0421331 - Developer carrying member, developing device, and device unit [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  18.05.1995
Database last updated on 28.09.2024
Most recent event   Tooltip18.05.1995No opposition filed within time limitpublished on 05.07.1995 [1995/27]
Applicant(s)For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
[N/P]
Former [1991/15]For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
Inventor(s)01 / Kuribayashi, Tetsuya, c/o Canon Kabushiki Kaisha
30-2, 3-chome Shimomaruko, Ohta-ku
Tokyo / JP
[1991/15]
Representative(s)Bühling, Gerhard, et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
80336 München / DE
[N/P]
Former [1994/08]Bühling, Gerhard, Dipl.-Chem., et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Former [1991/15]Bühling, Gerhard, Dipl.-Chem.
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Application number, filing date90118826.801.10.1990
[1991/15]
Priority number, dateJP1989025518402.10.1989         Original published format: JP 25518489
JP1989025765104.10.1989         Original published format: JP 25765189
[1991/15]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0421331
Date:10.04.1991
Language:EN
[1991/15]
Type: A3 Search report 
No.:EP0421331
Date:23.10.1991
Language:EN
[1991/43]
Type: B1 Patent specification 
No.:EP0421331
Date:13.07.1994
Language:EN
[1994/28]
Search report(s)(Supplementary) European search report - dispatched on:EP02.09.1991
ClassificationIPC:G03G15/09
[1991/15]
CPC:
G03G15/0928 (EP,US); G03G15/0818 (EP,US); G03G2215/0614 (EP,US);
G03G2215/0641 (EP,US); Y10T428/1355 (EP,US); Y10T428/139 (EP,US);
Y10T428/2982 (EP,US) (-)
Designated contracting statesDE,   FR,   GB,   IT [1991/15]
TitleGerman:Entwickler-Trägerelement, Entwicklungsvorrichtung und Einheit mit dieser Vorrichtung[1991/15]
English:Developer carrying member, developing device, and device unit[1991/15]
French:Elément porteur de développateur, dispositif de développement et unité comprenant ce dispositif[1991/15]
Examination procedure21.12.1990Examination requested  [1991/15]
27.11.1992Despatch of a communication from the examining division (Time limit: M06)
01.06.1993Reply to a communication from the examining division
18.08.1993Despatch of communication of intention to grant (Approval: Yes)
07.01.1994Communication of intention to grant the patent
07.04.1994Fee for grant paid
07.04.1994Fee for publishing/printing paid
Opposition(s)14.04.1995No opposition filed within time limit [1995/27]
Fees paidRenewal fee
20.10.1992Renewal fee patent year 03
26.10.1993Renewal fee patent year 04
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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.
Documents cited:Search[A]US4034709  (FRASER LAWRENCE J, et al);
 [Y]US4057666  (DRUMMOND JR ARTHUR);
 [Y]US4616918  (KOHYAMA MITSUAKI [JP], et al);
 [XP]EP0339944  (CANON KK [JP])
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.