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Extract from the Register of European Patents

EP About this file: EP0247884

EP0247884 - Magnetic toner [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.06.1995
Database last updated on 19.07.2024
Most recent event   Tooltip10.06.1995No opposition filed within time limitpublished on 02.08.1995 [1995/31]
Applicant(s)For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
[N/P]
Former [1987/49]For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
Inventor(s)01 / Sakashita, Kiichiro
7-205 Sunpark Hirao 1619 Hirao
Ingai-shi Toyko / JP
[1987/49]
Representative(s)Beresford, Keith Denis Lewis, et al
Beresford Crump LLP
16 High Holborn
London WC1V 6BX / GB
[N/P]
Former [1987/49]Beresford, Keith Denis Lewis, et al
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ / GB
Application number, filing date87304748.428.05.1987
[1987/49]
Priority number, dateJP1986012264128.05.1986         Original published format: JP 12264186
[1987/49]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0247884
Date:02.12.1987
Language:EN
[1987/49]
Type: A3 Search report 
No.:EP0247884
Date:17.08.1988
Language:EN
[1988/33]
Type: B1 Patent specification 
No.:EP0247884
Date:10.08.1994
Language:EN
[1994/32]
Type: B1 RE Reissue of patent specification
No.:EP0247884
Date:30.12.1994
[1995/08]
Search report(s)(Supplementary) European search report - dispatched on:EP28.06.1988
ClassificationIPC:G03G9/083, H01F1/11
[1994/32]
CPC:
G03G9/0837 (EP,US); G03G9/0834 (EP,US); G03G9/0836 (EP,US);
Y10S430/104 (EP,US)
Former IPC [1988/29]G03G9/14, H01F1/11
Former IPC [1987/49]G03G9/14
Designated contracting statesDE,   FR,   GB [1987/49]
TitleGerman:Magnetischer Toner[1987/49]
English:Magnetic toner[1987/49]
French:Toner magnétique[1987/49]
Examination procedure14.01.1989Examination requested  [1989/11]
08.04.1991Despatch of a communication from the examining division (Time limit: M06)
15.10.1991Reply to a communication from the examining division
17.03.1992Despatch of a communication from the examining division (Time limit: M06)
17.09.1992Reply to a communication from the examining division
11.03.1993Despatch of a communication from the examining division (Time limit: M04)
08.07.1993Reply to a communication from the examining division
06.09.1993Despatch of communication of intention to grant (Approval: No)
21.01.1994Despatch of communication of intention to grant (Approval: later approval)
27.01.1994Communication of intention to grant the patent
23.02.1994Fee for grant paid
23.02.1994Fee for publishing/printing paid
Opposition(s)11.05.1995No opposition filed within time limit [1995/31]
Fees paidRenewal fee
18.05.1989Renewal fee patent year 03
30.04.1990Renewal fee patent year 04
31.12.1990Renewal fee patent year 05
25.05.1992Renewal fee patent year 06
21.05.1993Renewal fee patent year 07
20.05.1994Renewal fee patent year 08
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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]JP57201244  ;
 [XP]EP0187434  (TODA KOGYO CORP [JP]);
 [Y]DE3508379  (CANON KK [JP]);
 [A]EP0160496  (TODA KOGYO CORP [JP])
 [A]  - XEROX DISCLOSURE JOURNAL, vol. 4, no. 1, January/February 1979, page 41; R.F.ZIOLO: "Magnetic toner materials"
 [A]  - PATENT ABSTRACTS OF JAPAN, vol. 7, no. 54 (P-180)[1199], 4th March 1983; & JP-A-57 201 244 (CANON K.K.) 09-12-1982, & JP57201244 A 00000000
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.