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Extract from the Register of European Patents

EP About this file: EP0471234

EP0471234 - Gravimetric dosing device for bulk materials [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.03.1996
Database last updated on 14.03.2026
Most recent event   Tooltip07.02.1997Lapse of the patent in a contracting statepublished on 26.03.1997 [1997/13]
Applicant(s)For all designated states
Pfister GmbH
Stätzlinger Strasse 70
86165 Augsburg / DE
[N/P]
Former [1992/08]For all designated states
Pfister GmbH
Stätzlinger Strasse 70
D-86165 Augsburg / DE
Inventor(s)01 / Häfner, Hans Wilhelm
Fichtenweg 15
W-8890 Aichach-Walchshofen / DE
[1992/08]
Representative(s)Kahler, Kurt
Patentanwälte Kahler, Käck, Fiener Vorderer Anger 239
86899 Landsberg/Lech / DE
[N/P]
Former [1992/08]Kahler, Kurt, Dipl.-Ing.
Patentanwälte Kahler, Käck, Fiener & Sturm P.O. Box 12 49
D-87712 Mindelheim / DE
Application number, filing date91112682.927.07.1991
[1992/08]
Priority number, dateDE1990402604217.08.1990         Original published format: DE 4026042
[1992/08]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0471234
Date:19.02.1992
Language:DE
[1992/08]
Type: A3 Search report 
No.:EP0471234
Date:01.07.1992
Language:DE
[1992/27]
Type: B1 Patent specification 
No.:EP0471234
Date:17.05.1995
Language:DE
[1995/20]
Search report(s)(Supplementary) European search report - dispatched on:EP11.05.1992
ClassificationIPC:G01G11/08, G01G13/10
[1992/08]
CPC:
G01G11/08 (EP,US); G01G13/10 (EP,US); G01G13/248 (EP,US)
Designated contracting statesCH,   DE,   DK,   FR,   GB,   LI [1992/08]
TitleGerman:Gravimetrische Dosiervorrichtung für Schüttgüter[1992/08]
English:Gravimetric dosing device for bulk materials[1992/08]
French:Dispositif pour le dosage de matériaux en vrac[1992/08]
Examination procedure12.11.1992Examination requested  [1993/02]
24.01.1994Despatch of a communication from the examining division (Time limit: M06)
02.08.1994Reply to a communication from the examining division
30.08.1994Despatch of communication of intention to grant (Approval: Yes)
22.11.1994Communication of intention to grant the patent
21.02.1995Fee for grant paid
21.02.1995Fee for publishing/printing paid
Opposition(s)20.02.1996No opposition filed within time limit [1996/19]
Fees paidRenewal fee
30.07.1993Renewal fee patent year 03
28.07.1994Renewal fee patent year 04
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competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipCH31.07.1995
LI31.07.1995
[1997/13]
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.