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Extract from the Register of European Patents

EP About this file: EP0015638

EP0015638 - Method of forming slide gate valve parts [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  23.01.1986
Database last updated on 09.09.2024
Most recent event   Tooltip12.11.1999Lapse of the patent in a contracting statepublished on 29.12.1999 [1999/52]
Applicant(s)For all designated states
KAISER ALUMINUM & CHEMICAL CORPORATION
865 Kaiser Building 300 Lakeside Drive Oakland
California 94643 / US
[N/P]
Former [1980/19]For all designated states
KAISER ALUMINUM & CHEMICAL CORPORATION
865 Kaiser Building 300 Lakeside Drive
Oakland California 94643 / US
Inventor(s)01 / Videtto, Ralph Benjamin
7461 Hillview Court
Pleasanton California 94566 / US
[1980/19]
Representative(s)Oliver, Roy Edward, et al
W.P. THOMPSON & CO. 55 Drury Lane
London WC2B 5SQ / GB
[N/P]
Former [1980/19]Oliver, Roy Edward, et al
W.P. THOMPSON & CO. Celcon House 289-293 High Holborn
London WC1V 7HU / GB
Application number, filing date80300177.518.01.1980
[1980/19]
Priority number, dateUS1979001807506.03.1979         Original published format: US 18075
[1980/19]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0015638
Date:17.09.1980
Language:EN
[1980/19]
Type: B1 Patent specification 
No.:EP0015638
Date:26.05.1982
Language:EN
[1982/21]
Search report(s)(Supplementary) European search report - dispatched on:EP20.06.1980
ClassificationIPC:B22D41/08, B22D41/10, C04B35/04
[1980/19]
CPC:
C04B35/043 (EP,US); B22D41/32 (EP,US)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   LU,   NL,   SE [1980/19]
TitleGerman:Verfahren zum Formen von Schieberverschlussteilen[1980/19]
English:Method of forming slide gate valve parts[1980/19]
French:Procédé pour former des éléments d'obturateur coulissant[1980/19]
Examination procedure26.01.1981Examination requested  [1981/15]
12.10.1981Despatch of communication of intention to grant (Approval: )
13.11.1981Communication of intention to grant the patent
25.11.1981Fee for grant paid
25.11.1981Fee for publishing/printing paid
Opposition(s)Opponent(s)01  21.02.1983  11.04.1983  ADMISSIBLE
Österreichisch-Amerikanische Magnesit Aktiengesellschaft
A-9545 Radenthein / AT
Opponent's representative
Leeb, Walther
Dr.W.Leeb, Dr.E.Müllner, Dipl.Ing.W.Katschinka Postfach 159
1014 Wien / AT
 [N/P]
Former [1983/18]
Opponent(s)01  21.02.1983  11.04.1983  ADMISSIBLE
Österreichisch-Amerikanische Magnesit Aktiengesellschaft
A-9545 Radenthein / AT
Opponent's representative
Leeb, Walther Dr., Patentanwalt
Dr.W.Leeb, Dr.E.Müllner, Dipl.Ing.W.Katschinka Postfach 159
A-1014 Wien / AT
28.10.1983Invitation to proprietor to file observations on the notice of opposition
23.12.1983Reply of patent proprietor to notice(s) of opposition
28.03.1984Date of despatch of rejection of opposition
07.04.1984Legal effect of rejection of opposition [1986/11]
Appeal following opposition23.05.1984Appeal received No.  T0119/84
24.05.1984Statement of grounds filed
Fees paidRenewal fee
25.11.1981Renewal fee patent year 03
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Lapses during opposition  TooltipLU31.01.1983
[1999/52]
Documents cited:SearchDE2630174  [ ];
 DE1963378  [ ];
 DE2235199  [ ];
 DE1771615  [ ];
 DE1646945  [ ] (REPUBLIC STEEL CORP);
 DE1646498  [ ];
 DE2162747  [ ]
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.