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Extract from the Register of European Patents

EP About this file: EP0354449

EP0354449 - Semiconductor single crystal substrate [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  22.12.1992
Database last updated on 22.08.2024
Most recent event   Tooltip22.12.1992Refusal of applicationpublished on 10.02.1993 [1993/06]
Applicant(s)For all designated states
Seiko Epson Corporation
4-1, Nishishinjuku 2-chome Shinjuku-ku
Tokyo-to / JP
[N/P]
Former [1990/07]For all designated states
SEIKO EPSON CORPORATION
4-1, Nishishinjuku 2-chome
Shinjuku-ku Tokyo-to / JP
Inventor(s)01 / Iwamatsu, Seiichi c/o Seiko Epson Corporation
3-5, Owa 3-chome
Suwa-shi Nagano-ken / JP
[1990/07]
Representative(s)Blumbach Weser Bergen Kramer Zwirner Hoffmann Patentanwälte
Radeckestrasse 43
81245 München / DE
[N/P]
Former [1990/07]Blumbach Weser Bergen Kramer Zwirner Hoffmann Patentanwälte
Radeckestrasse 43
D-81245 München / DE
Application number, filing date89114205.101.08.1989
[1990/07]
Priority number, dateJP1988019767108.08.1988         Original published format: JP 19767188
JP1988022571709.09.1988         Original published format: JP 22571788
[1990/07]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0354449
Date:14.02.1990
Language:EN
[1990/07]
Type: A3 Search report 
No.:EP0354449
Date:02.01.1991
Language:EN
[1991/01]
Search report(s)(Supplementary) European search report - dispatched on:EP15.11.1990
ClassificationIPC:H01L29/04, H01L29/60, H01L29/784, H01L29/812
[1990/07]
CPC:
H01L21/02 (KR); H01L29/045 (EP); H01L29/42316 (EP);
H01L29/4236 (EP); H01L29/78 (EP); H01L29/8128 (EP)
Designated contracting statesDE,   FR,   GB [1990/07]
TitleGerman:Einkristall-Halbleitersubstrat[1990/07]
English:Semiconductor single crystal substrate[1990/07]
French:Substrat semi-conducteur monocristallin[1990/07]
File destroyed:12.06.1999
Examination procedure19.12.1990Examination requested  [1991/09]
02.07.1991Despatch of a communication from the examining division (Time limit: M06)
04.01.1992Reply to a communication from the examining division
03.06.1992Date of oral proceedings
14.09.1992Despatch of communication that the application is refused, reason: substantive examination [1993/06]
14.09.1992Minutes of oral proceedings despatched
25.09.1992Application refused, date of legal effect [1993/06]
Fees paidRenewal fee
20.08.1991Renewal fee patent year 03
21.08.1992Renewal fee patent year 04
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Documents cited:Search[X]JP61058228  ;
 [A]EP0261666  (NEC CORP [JP]);
 [A]US4455740  (IWAI HIROSHI [JP])
 [X]  - PATENT ABSTRACTS OF JAPAN, vol. 10, no. 221 (E-424)[2277], 2nd August 1986; & JP-A-61 058 228 (OKI ELECTRIC IND. CO., LTD) 25-03-1986, & JP61058228 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.