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Extract from the Register of European Patents

EP About this file: EP0841414

EP0841414 - Composite chromium plating film and sliding member covered thereof [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  14.01.2005
Database last updated on 26.03.2025
Most recent event   Tooltip25.07.2008Change - opposition data/opponents data or that of the opponents representativepublished on 27.08.2008  [2008/35]
Applicant(s)For all designated states
Teikoku Piston Ring Co., Ltd.
9-9, Yaesu 1-chome
Chuo-ku
Tokyo 103-0028 / JP
[N/P]
Former [2001/19]For all designated states
Teikoku Piston Ring Co., Ltd.
9-9, Yaesu 1-chome
Chuo-ku, Tokyo 103-0028 / JP
Former [1998/20]For all designated states
Teikoku Piston Ring Co., LTd.
9-9, Yaesu 1-chome
Chuo-ku, Tokyo 103 / JP
Inventor(s)01 / Harayama, Akira
3-1-22, Minato
Okaya-shi, Nagano-ken 394 / JP
02 / Imai, Toshiaki
1354, Osachi
Okaya-shi, Nagano-ken 394 / JP
[1998/20]
Representative(s)Davies, Christopher Robert
Dehns
St Bride's House
10 Salisbury Square
London EC4Y 8JD / GB
[N/P]
Former [1998/20]Davies, Christopher Robert
Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street
London EC4V 4EL / GB
Application number, filing date97309024.410.11.1997
[1998/20]
Priority number, dateJP1996031429711.11.1996         Original published format: JP 31429796
[1998/20]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0841414
Date:13.05.1998
Language:EN
[1998/20]
Type: B1 Patent specification 
No.:EP0841414
Date:09.05.2001
Language:EN
[2001/19]
Type: B2 New European patent specification 
No.:EP0841414
Date:02.03.2005
Language:EN
[2005/09]
Search report(s)(Supplementary) European search report - dispatched on:EP25.02.1998
ClassificationIPC:C25D15/02, F16J9/26
[1998/20]
CPC:
F16J9/26 (EP,US); C25D15/02 (EP,US); C25D5/18 (EP,US);
C25D5/625 (EP,US); Y10T428/12854 (EP,US); Y10T428/12993 (EP,US)
Designated contracting statesDE,   GB [1999/04]
Former [1998/20]AT,  BE,  CH,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Galvanische Komposit-Chrom-Beschichtung und damit beschichtetes Gleitteil[1998/20]
English:Composite chromium plating film and sliding member covered thereof[1998/20]
French:Revêtement galvanique composite à base de chrome et élément de glissement revêtu avec celui-ci[1998/20]
Examination procedure16.06.1998Examination requested  [1998/33]
14.11.1998Loss of particular rights, legal effect: designated state(s)
17.12.1999Despatch of communication of intention to grant (Approval: No)
20.03.2000Despatch of communication of intention to grant (Approval: later approval)
24.03.2000Communication of intention to grant the patent
28.07.2000Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time
14.08.2000Fee for grant paid
14.08.2000Fee for publishing/printing paid
28.11.2000Despatch of communication of loss of particular rights: designated state(s) AT, BE, CH, DK, ES, FI, FR, GR, IE, IT, LI, LU, MC, NL, PT, SE
Opposition(s)Opponent(s)01  26.01.2002  22.02.2002  ADMISSIBLE
Mahle International GmbH
Pragstr. 26-46
70376 Stuttgart / DE
Opponents representative
Pohle, Reinhard
Mahle International GmbH
Patentabteilung ZRIP
Pragstrasse 26-46
70376 Stuttgart / DE
 [N/P]
Former [2008/35]
Opponent(s)01  26.01.2002  22.02.2002  ADMISSIBLE
Mahle International GmbH
Pragstr. 26-46
70376 Stuttgart / DE
Opponents representative
Pohle, Reinhard
Mahle International GmbH Patentabteilung ZRIP Pragstrasse 26-46
70376 Stuttgart / DE
Former [2002/12]
Opponent(s)01  26.01.2002   
Mahle Gmbh
Pragstr. 26-46
70376 Stuttgart / DE
Opponents representative
Pohle, Reinhard
Mahle GmbH Patentabteilung, Pragstrasse 26-46
70376 Stuttgart / DE
06.03.2002Invitation to proprietor to file observations on the notice of opposition
08.01.2003Reply of patent proprietor to notice(s) of opposition
26.03.2004Legal effect of interlocutory decision in opposition
26.03.2004Date of oral proceedings
30.04.2004Despatch of interlocutory decision in opposition
30.04.2004Despatch of minutes of oral proceedings
18.08.2004Despatch of communication that the patent will be maintained as amended
25.11.2004Fee for printing new specification paid
Request for further processing for:14.08.2000Request for further processing filed
14.08.2000Full payment received (date of receipt of payment)
Request granted
29.08.2000Decision despatched
Fees paidRenewal fee
24.11.1999Renewal fee patent year 03
13.10.2000Renewal fee patent year 04
Penalty fee
Penalty fee Rule 85a EPC 1973
18.12.1998AT   M01   Not yet paid
18.12.1998BE   M01   Not yet paid
18.12.1998CH   M01   Not yet paid
18.12.1998DK   M01   Not yet paid
18.12.1998ES   M01   Not yet paid
18.12.1998FI   M01   Not yet paid
18.12.1998FR   M01   Not yet paid
18.12.1998GR   M01   Not yet paid
18.12.1998IE   M01   Not yet paid
18.12.1998IT   M01   Not yet paid
18.12.1998LU   M01   Not yet paid
18.12.1998MC   M01   Not yet paid
18.12.1998NL   M01   Not yet paid
18.12.1998PT   M01   Not yet paid
18.12.1998SE   M01   Not yet paid
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Documents cited:Search[AD]US4846940  (NEUHAEUSER HANS-JOCHEM [DE], et al)
OppositionDE3506746
 DE69507172T
 DE2230676
    - Dubbel, Taschenbuch für Maschinenbau, 19. edition, Springerverlag, pages F19, E82-E85
    - Drawings piston ring, liner, motor DTV-Atlas Chemie, vol. 1, p. 125
    - Material Specification 030, AE Goetze GmbH & Chrom-Keramik_Schicht CKS 36, Goetze AG
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.