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Extract from the Register of European Patents

EP About this file: EP0313889

EP0313889 - Vacuum furnace for the heat treatment of metallic work-pieces [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  10.01.1996
Database last updated on 10.07.2024
Most recent event   Tooltip10.01.1996Opposition rejectedpublished on 21.02.1996 [1996/08]
Applicant(s)For all designated states
Degussa GmbH
Weissfrauenstrasse 9
60311 Frankfurt / DE
[N/P]
Former [1989/18]For all designated states
Degussa Aktiengesellschaft
Weissfrauenstrasse 9
D-60311 Frankfurt / DE
Inventor(s)01 / Heilmann, Paul, Dipl.-Ing.
Riedstr. 8
D-6457 Maintal / DE
02 / Heumüller, Erwin, Dipl.-Ing.
Schäfereiwiesenweg 26
D-8756 Kahl/M. / DE
03 / Kalbfleisch, Fritz
Herbergstrasse 11
D-6466 Gründau 1 / DE
04 / Preisser, Friedrich, Dr. Dipl.-Phys.
Am Hellerberg 4
D-6457 Büdingen / DE
05 / Schuster, Rolf
Salisweg 54
D-6450 Hanau/M. / DE
[1991/31]
Former [1989/18]01 / Heilmann, Paul, Dipl.-Ing.
Riedstrasse 8
D-6457 Maintal / DE
02 / Heumüller, Erwin, Dipl.-Ing.
Schäfereiwiesenweg 26
D-8756 Kahl/M. / DE
03 / Kalbfleisch, Fritz
Herbergstrasse 11
D-6466 Gründau 1 / DE
04 / Preisser, Friedrich, Dr. Dipl.-Phys.
Am Hellerberg 4
D-6457 Büdingen / DE
05 / Schuster, Rolf
Salisweg 54
D-6450 Hanau/M. / DE
Application number, filing date88116478.405.10.1988
[1989/18]
Priority number, dateDE1987373650228.10.1987         Original published format: DE 3736502
[1989/18]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0313889
Date:03.05.1989
Language:DE
[1989/18]
Type: B1 Patent specification 
No.:EP0313889
Date:31.07.1991
Language:DE
[1991/31]
Search report(s)(Supplementary) European search report - dispatched on:EP02.02.1989
ClassificationIPC:C21D1/767, C21D1/613
[1989/18]
CPC:
F27B5/16 (EP,US); C21D1/767 (EP,US); C21D1/773 (EP,US);
F27D7/04 (EP,US); F27B2005/064 (EP,US); F27B2005/146 (EP,US);
F27B2005/164 (EP,US); F27B2005/167 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1989/18]
TitleGerman:Vakuumofen zur Wärmebehandlung metallischer Werkstücke[1989/18]
English:Vacuum furnace for the heat treatment of metallic work-pieces[1989/18]
French:Four sous vide pour le traitement à chaud de pièces métalliques[1989/18]
Examination procedure05.10.1988Examination requested  [1989/18]
28.09.1990Despatch of communication of intention to grant (Approval: Yes)
21.12.1990Communication of intention to grant the patent
22.02.1991Fee for grant paid
22.02.1991Fee for publishing/printing paid
Opposition(s)Opponent(s)01  27.02.1992  02.06.1992  ADMISSIBLE
Ipsen Industries International GmbH
Flurstrasse 78
D-47533 Kleve / DE
Opponent's representative
Brinkmann & Partner
Patentanwälte
Partnerschaft mbB
Am Seestern 8
40547 Düsseldorf / DE
 [N/P]
Former [1992/19]
Opponent(s)01  27.02.1992  02.06.1992  ADMISSIBLE
Ipsen Industries International GmbH
Flurstrasse 78
D-47533 Kleve / DE
Opponent's representative
Stenger, Watzke & Ring Patentanwälte
Kaiser-Friedrich-Ring 70
D-40547 Düsseldorf / DE
04.06.1992Invitation to proprietor to file observations on the notice of opposition
30.09.1992Reply of patent proprietor to notice(s) of opposition
13.10.1992Communication of observations of patent proprietor (Time limit: M02)
11.12.1992Reply of parties involved to observations of patent proprietor
24.06.1993Despatch of a communication from the opposition division (Time limit: M04)
09.10.1993Reply to a communication from the opposition division
18.01.1994Despatch of a communication from the opposition division (Time limit: M02)
03.06.1994Reply to a communication from the opposition division
25.09.1995Date of despatch of rejection of opposition
05.10.1995Legal effect of rejection of opposition [1996/08]
Fees paidRenewal fee
26.09.1990Renewal fee patent year 03
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[A]DE1259919  (HAROLD NORREGARD IPSEN);
 [AD]DE1919493  (IPSEN IND INTERNAT GMBH);
 [A]US4113977  (HOCHSTRASSER OTTO, et al);
 [A]US4235592  (SMITH CHARLES W JR [US], et al);
 [AD]DE2844843  ;
 [A]EP0163906  (SCHMETZ INDUSTRIEOFENBAU UND V [DE]);
 [AD]DE2839807
by applicantDE1919493
 DE2839807
 DE2844843
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.