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Extract from the Register of European Patents

EP About this file: EP0451987

EP0451987 - In-furnace slag level measuring method and apparatus therefor [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  17.07.1998
Database last updated on 28.09.2024
Most recent event   Tooltip17.07.1998No opposition filed within time limitpublished on 02.09.1998 [1998/36]
Applicant(s)For all designated states
NKK CORPORATION
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
[1991/42]
Inventor(s)01 / Nagamune, Akio, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
02 / Tezuka, Kouichi, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
03 / Komine, Isamu, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
04 / Kuriyama, Shinji, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
05 / Komatani, Masaki, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
06 / Inoue, Akihiko, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
[1997/37]
Former [1991/42]01 / Nagamune, Akio, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
02 / Tezuka, Kouichi, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
03 / Komine, Isamu, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
04 / Kiriyama, Shinji, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
05 / Komatani, Masaki, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
06 / Inoue, Akihiko, c/o NKK Corporation
1-2 Marunouchi 1-chome, Chiyoda-ku
Tokyo / JP
Representative(s)Watkins, David, et al
Urquhart-Dykes & Lord
30 Welbeck Street
London W1G 8ER / GB
[N/P]
Former [1995/26]Watkins, David, et al
Urquhart-Dykes & Lord, 91 Wimpole Street
London W1M 8AH / GB
Former [1994/26]Wood, Anthony Charles
Urquhart-Dykes & Lord 91 Wimpole Street
London W1M 8AH / GB
Former [1991/45]Gregory, Timothy Mark
Urquhart-Dykes & Lord Midsummer House 411C Midsummer Boulevard
Central Milton Keynes MK9 3BN / GB
Former [1991/42]Marsh, Roy David
Urquhart-Dykes & Lord Midsummer House 411C Midsummer Boulevard
Central Milton Keynes MK9 3BN / GB
Application number, filing date91302653.026.03.1991
[1991/42]
Priority number, dateJP1990008131230.03.1990         Original published format: JP 8131290
JP1990008131330.03.1990         Original published format: JP 8131390
JP1990008131430.03.1990         Original published format: JP 8131490
[1991/42]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0451987
Date:16.10.1991
Language:EN
[1991/42]
Type: A3 Search report 
No.:EP0451987
Date:02.12.1992
Language:EN
[1992/49]
Type: B1 Patent specification 
No.:EP0451987
Date:10.09.1997
Language:EN
[1997/37]
Search report(s)(Supplementary) European search report - dispatched on:EP14.10.1992
ClassificationIPC:G01S13/32, G01S13/88, G01F23/28, C21C5/46
[1992/49]
CPC:
C21C5/4673 (EP,US); G01F23/28 (KR); G01F23/284 (EP,US);
G01S13/325 (EP,US); G01S13/88 (EP,US)
Former IPC [1991/42]G01S13/88
Designated contracting statesDE,   FR,   GB [1992/48]
Former [1991/42]AT,  BE,  DE,  ES,  FR,  GB,  IT,  NL,  SE 
TitleGerman:Verfahren und Gerät zur Schlackenniveaumessung in einem Ofen[1991/42]
English:In-furnace slag level measuring method and apparatus therefor[1991/42]
French:Méthode et appareil pour mesurer le niveau de scorie dans un four[1991/42]
Examination procedure23.02.1993Examination requested  [1993/16]
03.01.1995Despatch of a communication from the examining division (Time limit: M06)
06.07.1995Reply to a communication from the examining division
17.01.1996Despatch of a communication from the examining division (Time limit: M02)
16.03.1996Reply to a communication from the examining division
14.11.1996Despatch of communication of intention to grant (Approval: Yes)
04.03.1997Communication of intention to grant the patent
12.04.1997Fee for grant paid
12.04.1997Fee for publishing/printing paid
Opposition(s)11.06.1998No opposition filed within time limit [1998/36]
Fees paidRenewal fee
22.03.1993Renewal fee patent year 03
23.03.1994Renewal fee patent year 04
20.03.1995Renewal fee patent year 05
20.03.1996Renewal fee patent year 06
24.03.1997Renewal fee patent year 07
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Documents cited:Search[Y]JP63161111  ;
 [A]LU74321  ;
 [A]EP0156375  (HONEYWELL INC [US]);
 [A]EP0258929  (HOOGOVENS GROEP BV [NL]);
 [A]EP0262989  (CANADIAN CORPORATE MANAGEMENT [CA]);
 [A]US4758839  (GOEBEL ROBERT H [US], et al);
 [Y]EP0280349  (HOOGOVENS GROEP BV [NL])
 [Y]  - PATENT ABSTRACTS OF JAPAN vol. 12, no. 433 (C-543)15 November 1988 & JP-A-63 161 111 ( N K K CORP. ) 4 July 1988, & JP63161111 A 19880704
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.