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Extract from the Register of European Patents

EP About this file: EP0431022

EP0431022 - PROCESS AND DEVICE FOR PREVENTING MALFUNCTION OF A DENTAL EVACUATION SYSTEM [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  01.04.1999
Database last updated on 06.11.2024
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
Trawöger, Werner
Höttinger Au 60
6020 Innsbruck / AT
For all designated states
PREGENZER, Bruno
Huebe 30
6173 Oberperfuss / AT
[N/P]
Former [1991/24]For all designated states
Trawöger, Werner
Höttinger Au 60
A-6020 Innsbruck / AT
For all designated states
PREGENZER, Bruno
Huebe 30
A-6173 Oberperfuss / AT
Inventor(s)01 / see applicant
...
[1991/24]
Representative(s)Hofinger, Engelbert, et al
Patentanwälte Torggler & Hofinger Wilhelm-Greil-Strasse 16
6020 Innsbruck / AT
[N/P]
Former [1991/24]Hofinger, Engelbert, DDr., et al
Patentanwälte Torggler & Hofinger Wilhelm-Greil-Strasse 16
A-6020 Innsbruck / AT
Application number, filing date89909677.023.08.1989
[1991/24]
WO1989AT00073
Priority number, dateAT1988000209625.08.1988         Original published format: AT 209688
[1991/24]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9001909
Date:08.03.1990
Language:DE
[1990/06]
Type: A1 Application with search report 
No.:EP0431022
Date:12.06.1991
Language:DE
The application published by WIPO in one of the EPO official languages on 08.03.1990 takes the place of the publication of the European patent application.
[1991/24]
Type: B1 Patent specification 
No.:EP0431022
Date:21.07.1993
Language:DE
[1993/29]
Search report(s)International search report - published on:EP08.03.1990
ClassificationIPC:A61C17/06
[1991/24]
CPC:
A61C17/135 (EP,US)
Designated contracting statesAT,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1991/24]
TitleGerman:VERFAHREN UND EINRICHTUNG ZUR HINTANHALTUNG VON FUNKTIONSSTÖRUNGEN EINER ZAHNÄRZTLICHEN ABSAUGANLAGE[1991/24]
English:PROCESS AND DEVICE FOR PREVENTING MALFUNCTION OF A DENTAL EVACUATION SYSTEM[1991/24]
French:PROCEDE ET DISPOSITIF POUR EMPECHER LES DEFAILLANCES D'UN SYSTEME D'ASPIRATION DENTAIRE[1991/24]
MiscellaneousEPB 1993/29: Teilanmeldung 92113515.8 eingereicht am 23/08/89
EPB 1993/29: Divisional application 92113515.8 filed on 23/08/89
EPB 1993/29: Demande divisionnaire 92113515.8 déposée le 23/08/89
Entry into regional phase20.02.1991National basic fee paid 
20.02.1991Designation fee(s) paid 
20.02.1991Examination fee paid 
Examination procedure17.03.1990Request for preliminary examination filed
International Preliminary Examining Authority: DE
20.02.1991Examination requested  [1991/24]
27.12.1991Despatch of a communication from the examining division (Time limit: M06)
24.06.1992Reply to a communication from the examining division
14.07.1992Despatch of a communication from the examining division (Time limit: M04)
19.11.1992Reply to a communication from the examining division
23.12.1992Despatch of communication of intention to grant (Approval: Yes)
14.01.1993Communication of intention to grant the patent
18.03.1993Fee for grant paid
18.03.1993Fee for publishing/printing paid
Divisional application(s)EP92113515.8  / EP0516191
Opposition(s)Opponent(s)01  21.04.1994  30.05.1994  ADMISSIBLE
Dürr - Dental GmbH & Co. KG
Höpfigheimer Strasse 17 Postfach 305
D-7120 Bietigheim / DE
Opponent's representative
Ostertag, Reinhard
Ostertag & Partner
Patentanwälte mbB
Epplestraße 14
70597 Stuttgart / DE
 [N/P]
Former [1994/24]
Opponent(s)01  21.04.1994  30.05.1994  ADMISSIBLE
Dürr - Dental GmbH & Co. KG
Höpfigheimer Strasse 17 Postfach 305
D-7120 Bietigheim / DE
Opponent's representative
Ostertag, Reinhard
Patentanwälte Dr. Ulrich Ostertag Dr. Reinhard Ostertag Eibenweg 10
D-70597 Stuttgart / DE
29.04.1994No. 01: Notification indicating deficiencies in the notice of opposition
03.06.1994Invitation to proprietor to file observations on the notice of opposition
21.11.1994Reply of patent proprietor to notice(s) of opposition
09.12.1998Legal effect of revocation of patent [1999/20]
09.12.1998Despatch of communication that the patent will be revoked
Appeal following opposition27.09.1995Appeal received No.  T0808/95
30.11.1995Statement of grounds filed
09.12.1998Result of appeal procedure: revocation of the patent
09.12.1998Date of oral proceedings
21.12.1998Minutes of the oral proceedings despatched
04.07.1995Date of oral proceedings
31.07.1995Minutes of the oral proceedings despatched
Fees paidRenewal fee
12.07.1991Renewal fee patent year 03
22.08.1992Renewal fee patent year 04
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Lapses during opposition  TooltipCH31.08.1995
LI31.08.1995
AT23.08.1996
GB23.08.1996
SE24.08.1996
NL01.03.1997
[1997/52]
Former [1997/39]CH31.08.1995
LI31.08.1995
AT23.08.1996
GB23.08.1996
SE24.08.1996
Former [1997/30]CH31.08.1995
LI31.08.1995
AT23.08.1996
GB23.08.1996
Former [1997/28]CH31.08.1995
LI31.08.1995
AT23.08.1996
Cited inInternational searchDE2814401  [ ] (DUERR DENTAL KG);
 DE3101954  [ ] (JERZY INGO);
 EP0124887  [ ] (DUERR DENTAL GMBH CO KG [DE])
Examination   - Beipackzettel der Fa. Cattani S.p.A. zu Antischaumtabletten, die als "ANTISCHIUMOGENO PER ASPIRATORI CHIRURGICI" vor dem Zeitrang vorliegender Anmeldung vertrieben worden sind.
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.