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Extract from the Register of European Patents

EP About this file: EP0371826

EP0371826 - Optical fiber production method [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.06.1994
Database last updated on 03.09.2024
Most recent event   Tooltip04.06.1994No opposition filed within time limitpublished on 27.07.1994 [1994/30]
Applicant(s)For all designated states
FUJIKURA LTD.
5-1 Kiba 1-chome
Kohtoh-ku
Tokyo / JP
[N/P]
Former [1990/23]For all designated states
FUJIKURA LTD.
No. 5-1 Kiba 1-chome
Kohtoh-ku Tokyo / JP
Inventor(s)01 / Oohashi, Keiji
374-17, Jyouza
Sakura-shi Chiba-ken / JP
02 / Suzuki, Hideo
41-1-304, Narashinodai 8-chome
Funabashi-shi Chiba-ken / JP
03 / Araki, Shinji
6-35-2, Oojidai Sakura-shi
Chiba-ken / JP
04 / Shimomichi, Tsuyoshi
1389, Mutuzaki Sakura-shi
Chiba-ken / JP
[1990/23]
Representative(s)Clifford, Frederick Alan, et al
MARKS & CLERK, 57/60 Lincoln's Inn Fields
London WC2A 3LS / GB
[1990/23]
Application number, filing date89312540.101.12.1989
[1990/23]
Priority number, dateJP1988030447701.12.1988         Original published format: JP 30447788
JP1989007006622.03.1989         Original published format: JP 7006689
[1990/23]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0371826
Date:06.06.1990
Language:EN
[1990/23]
Type: A3 Search report 
No.:EP0371826
Date:29.08.1990
Language:EN
[1990/35]
Type: B1 Patent specification 
No.:EP0371826
Date:04.08.1993
Language:EN
[1993/31]
Search report(s)(Supplementary) European search report - dispatched on:EP11.07.1990
ClassificationIPC:C03C25/02
[1990/23]
CPC:
C03C25/223 (EP,US); C03C25/1062 (EP,US)
Designated contracting statesDE,   FR,   GB [1990/23]
TitleGerman:Verfahren zur Herstellung einer optischen Faser[1990/23]
English:Optical fiber production method[1990/23]
French:Méthode de production d'une fibre optique[1990/23]
Examination procedure04.06.1990Examination requested  [1990/31]
06.04.1992Despatch of a communication from the examining division (Time limit: M06)
24.08.1992Reply to a communication from the examining division
22.10.1992Despatch of communication of intention to grant (Approval: Yes)
03.02.1993Communication of intention to grant the patent
26.04.1993Fee for grant paid
26.04.1993Fee for publishing/printing paid
Opposition(s)05.05.1994No opposition filed within time limit [1994/30]
Fees paidRenewal fee
27.11.1991Renewal fee patent year 03
23.10.1992Renewal fee patent year 04
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Documents cited:SearchGB2105371  [ ] (SECR DEFENCE [GB]);
 EP0308143  [ ] (AMERICAN TELEPHONE & TELEGRAPH [US]);
 US4028080  [ ] (DI VITA SAM, et al);
 US4402993  [ ] (AISENBERG SOL [US], et al)
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.