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Extract from the Register of European Patents

EP About this file: EP1469094

EP1469094 - High speed tool steel and its manufacturing method [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.11.2008
Database last updated on 02.11.2024
Most recent event   Tooltip14.11.2008No opposition filed within time limitpublished on 17.12.2008  [2008/51]
Applicant(s)For all designated states
HITACHI METALS, LTD.
2-1, Shibaura 1-chome Minato-ku
Tokyo 105-8614 / JP
[2008/02]
Former [2004/43]For all designated states
Hitachi Metals, Ltd.
2-1, Shibaura 1-chome
Minato-ku, Tokyo 105-8614 / JP
Inventor(s)01 / Fukumoto, Shiho
1514-5 Hashima-cho
Yasugi-shi Shimane 692-0014 / JP
02 / Inoue, Keiji
2146 Yasugi-cho
Yasugi-shi Shimane 692-0011 / JP
 [2004/43]
Representative(s)Strehl Schübel-Hopf & Partner
Maximilianstrasse 54
80538 München / DE
[2004/43]
Application number, filing date04005711.910.03.2004
[2004/43]
Priority number, dateJP2003010538709.04.2003         Original published format: JP 2003105387
[2004/43]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1469094
Date:20.10.2004
Language:EN
[2004/43]
Type: B1 Patent specification 
No.:EP1469094
Date:09.01.2008
Language:EN
[2008/02]
Search report(s)(Supplementary) European search report - dispatched on:EP06.07.2004
ClassificationIPC:C22C38/18, C22C38/24, C21D6/00
[2004/43]
CPC:
C22C38/44 (EP,US); B25B23/065 (KR); B25B13/06 (KR);
B25B23/02 (KR); C21D6/002 (EP,US); C22C38/02 (EP,US);
C22C38/04 (EP,US); C22C38/22 (EP,US); C22C38/24 (EP,US);
C22C38/26 (EP,US); C22C38/46 (EP,US); C22C38/48 (EP,US);
C22C38/52 (EP,US) (-)
Designated contracting statesAT,   DE,   FR,   SE [2005/28]
Former [2004/43]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IT,  LI,  LU,  MC,  NL,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Schnellarbeitsstahl und Verfahren zu seiner Herstellung[2004/43]
English:High speed tool steel and its manufacturing method[2004/43]
French:Acier à outils rapide et son procédé de fabrication[2004/43]
Examination procedure14.04.2005Examination requested  [2005/23]
24.07.2006Despatch of a communication from the examining division (Time limit: M04)
30.11.2006Reply to a communication from the examining division
25.06.2007Communication of intention to grant the patent
29.10.2007Fee for grant paid
29.10.2007Fee for publishing/printing paid
Opposition(s)10.10.2008No opposition filed within time limit [2008/51]
Fees paidRenewal fee
16.03.2006Renewal fee patent year 03
19.03.2007Renewal fee patent year 04
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Documents cited:Search[A]JPH10330894  ;
 [A]JPH1161362  ;
 [A]US2736650  (GRIMSHAW LEONARD C) [A] 1-8 * example B; table I * * column 3, line 39 - line 43 *;
 [A]EP0249855  (CARPENTER TECHNOLOGY CORP [US]) [A] 1-8 * page 5, line 7 - line 28 ** page 6, line 1 - line 15 *;
 [A]US5651842  (NAKAMURA HIDEKI [JP], et al) [A] 1-8 * column 3, line 64 - line 66 * * column 6, line 7 - line 47 * * examples in Table 1 *;
 [A]EP0869196  (DAIDO STEEL CO LTD [JP]) [A] 1-8 * page 4, line 34 - line 37 * * example 4; table 1 * * examples 1-10; table 2 * * claims 1,3,4 *;
 [A]EP0930374  (SANYO SPECIAL STEEL CO LTD [JP]) [A] 1-8 * page 5, line 20 - line 28; examples A,I; table 1 * * page 8, line 1 - line 7; examples J,N; table 3 *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19990331), vol. 1999, no. 03, & JP10330894 A 19981215 (DAIDO STEEL CO LTD) [A] 1-8 * abstract * * examples 1-3,5,11-13; table 1 * * examples 17,19,20,28,29; table 2 * * examples 31-39; table 3 *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19990630), vol. 1999, no. 08, & JP11061362 A 19990305 (SANYO SPECIAL STEEL CO LTD) [A] 1-8 * abstract * * examples 1-6; table 1 *
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.