Extract from the Register of European Patents

EP About this file: EP0486817

EP0486817 - Metal gasket with shim [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  21.11.1997
Database last updated on 10.03.2026
Most recent event   Tooltip21.11.1997Patent maintained (B2 publication)published on 07.01.1998 [1998/02]
Applicant(s)For all designated states
Taiho Kogyo Co., Ltd
65, Midorigaoka 3-chome Toyota-shi
Aichi 471-8671 / JP
[N/P]
Former [1992/22]For all designated states
TAIHO KOGYO CO., LTD.
65, Midorigaoka 3-chome Toyota-shi
Aichi 471 / JP
Inventor(s)01 / Hagiwara, Yoshiyuki, c/o Taiho Kogyo Co., Ltd.
65, 3-chome, Midorigaoka
Toyota City, Aichi Pref. / JP
02 / Kakuta, Hirotaka
65, 3-chome, Midorigaoka
Toyota City, Aichi Pref. / JP
[1992/22]
Representative(s)Tiedtke, Harro, et al
Patentanwaltsbüro
Tiedtke-Bühling-Kinne & Partner
Bavariaring 4
80336 München / DE
[N/P]
Former [1994/08]Tiedtke, Harro, Dipl.-Ing., et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Former [1992/22]Tiedtke, Harro, Dipl.-Ing.
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Application number, filing date91117835.818.10.1991
[1992/22]
Priority number, dateJP1990028255520.10.1990         Original published format: JP 28255590
[1992/22]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0486817
Date:27.05.1992
Language:EN
[1992/22]
Type: B1 Patent specification 
No.:EP0486817
Date:05.04.1995
Language:EN
[1995/14]
Type: B2 New European patent specification 
No.:EP0486817
Date:07.01.1998
Language:EN
[1998/02]
Search report(s)(Supplementary) European search report - dispatched on:EP30.03.1992
ClassificationIPC:F16J15/08, B23K26/00
[1992/22]
CPC:
F16J15/0818 (EP,US); B23K26/22 (EP,US); B23K26/244 (EP,US);
F16J15/0825 (EP,US); F16J2015/085 (EP,US); F16J2015/0862 (EP,US);
F16J2015/0875 (EP,US); Y10T29/49297 (EP,US) (-)
Designated contracting statesDE,   GB [1992/22]
TitleGerman:Metalldichtung mit Ausgleichsscheibe[1992/22]
English:Metal gasket with shim[1992/22]
French:Joint métallique avec cale annulaire[1992/22]
Examination procedure16.07.1992Examination requested  [1992/38]
17.09.1993Despatch of a communication from the examining division (Time limit: M06)
25.03.1994Reply to a communication from the examining division
11.08.1994Despatch of communication of intention to grant (Approval: Yes)
10.10.1994Communication of intention to grant the patent
10.01.1995Fee for grant paid
10.01.1995Fee for publishing/printing paid
Opposition(s)Opponent(s)01  05.09.1995  22.09.1995  ADMISSIBLE
T&N Holdings GmbH
Bürgermeister-Schmidt-Strasse 17
D-51399 Burscheid / DE
 [1995/44]
12.02.1996Invitation to proprietor to file observations on the notice of opposition
21.06.1996Reply of patent proprietor to notice(s) of opposition
19.03.1997Legal effect of interlocutory decision in opposition
19.03.1997Date of oral proceedings
29.04.1997Despatch of interlocutory decision in opposition
29.04.1997Despatch of minutes of oral proceedings
08.08.1997Despatch of communication that the patent will be maintained as amended
07.11.1997Fee for printing new specification paid
Fees paidRenewal fee
26.10.1993Renewal fee patent year 03
25.10.1994Renewal fee patent year 04
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Documents cited:Search[Y] DE3741344  (YAMAHA CORP et al.) [Y]
 [A] DE2220536   [A]
 [Y]   MACHINE DESIGN, vol. 37, no. 18, 5th August 1965, pages 120-125, Cleveland, Ohio, US; K.J. MILLER et al.: "Laser welding" [Y]
 [A]   WELDING INTERNATIONAL, vol. 1, no. 5, 1987, pages 485-489, Abington, Cambridge, GB; Y. NAKAJIMA: "Mechanical properties of spot welds in 304 stainless steels made by YAG laser welding" [A]
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