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Extract from the Register of European Patents

EP About this file: EP0284229

EP0284229 - Nonlinear optical material and method for orientation thereof [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  26.05.1994
Database last updated on 16.09.2024
Most recent event   Tooltip26.05.1994No opposition filed within time limitpublished on 13.07.1994 [1994/28]
Applicant(s)For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
[N/P]
Former [1988/39]For all designated states
CANON KABUSHIKI KAISHA
30-2, 3-chome, Shimomaruko, Ohta-ku
Tokyo / JP
Inventor(s)01 / Miyata, Seizo
3-18-26 Houya
Houya-shi Tokyo / JP
02 / Yoshinaga, Kazuo
4-21-19 Haramachida
Machida-shi Tokyo / JP
03 / Miyazaki, Takeshi
4-363-16 Tsukagoshi Saiwai-ku
Kawasaki-shi Kanagawa-ken / JP
[1988/39]
Representative(s)Beresford, Keith Denis Lewis, et al
Beresford Crump LLP
16 High Holborn
London WC1V 6BX / GB
[N/P]
Former [1988/39]Beresford, Keith Denis Lewis, et al
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ / GB
Application number, filing date88301909.304.03.1988
[1988/39]
Priority number, dateJP1987005178606.03.1987         Original published format: JP 5178687
JP1987005443909.03.1987         Original published format: JP 5443987
JP1988001881229.01.1988         Original published format: JP 1881288
JP1988002149701.02.1988         Original published format: JP 2149788
[1988/39]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0284229
Date:28.09.1988
Language:EN
[1988/39]
Type: B1 Patent specification 
No.:EP0284229
Date:21.07.1993
Language:EN
[1993/29]
Search report(s)(Supplementary) European search report - dispatched on:EP02.08.1988
ClassificationIPC:G02F1/35, G02B1/04
[1988/39]
CPC:
G02F1/3615 (EP,US)
Designated contracting statesDE,   FR,   GB [1988/39]
TitleGerman:Nichtlineares optisches Material und Verfahren zu dessen Orientierung[1988/39]
English:Nonlinear optical material and method for orientation thereof[1988/39]
French:Matériau optique non linéaire et méthode pour l'orienter[1988/39]
Examination procedure15.02.1989Examination requested  [1989/15]
20.02.1991Despatch of a communication from the examining division (Time limit: M06)
30.08.1991Reply to a communication from the examining division
12.08.1992Despatch of communication of intention to grant (Approval: Yes)
14.01.1993Communication of intention to grant the patent
25.01.1993Fee for grant paid
25.01.1993Fee for publishing/printing paid
Opposition(s)22.04.1994No opposition filed within time limit [1994/28]
Fees paidRenewal fee
08.03.1990Renewal fee patent year 03
31.12.1990Renewal fee patent year 04
23.03.1992Renewal fee patent year 05
30.03.1993Renewal fee patent year 06
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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:SearchEP0186999  [ ] (BRITISH TELECOMM [GB]);
 EP0214828  [ ] (CELANESE CORP [US]);
 EP0218938  [ ] (AMERICAN TELEPHONE & TELEGRAPH [US]);
 EP0232138  [ ] (BRITISH PETROLEUM CO PLC [GB])
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.