blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0025523

EP0025523 - Piezoelectric transducers [Right-click to bookmark this link]
Former [1981/12]Piezoelectric crystalline component for force transducers
[1987/19]
StatusPatent maintained as amended
Status updated on  21.03.1987
Database last updated on 25.09.2024
Most recent event   Tooltip18.07.2008Change - representativepublished on 20.08.2008  [2008/34]
Applicant(s)For all designated states
Kistler Instrumente AG
Eulachstrasse 22
8408 Winterthur / CH
[N/P]
Former [1981/12]For all designated states
Kistler Instrumente AG
Eulachstrasse 22
CH-8408 Winterthur / CH
Inventor(s)01 / Calderara, Reto
Schaffhauserstrasse 51
CH-8400 Winterthur / CH
[1981/12]
Representative(s)Schmidt, Horst, et al
Hoefer & Partner
Patentanwälte
Pilgersheimer Strasse 20
81543 München / DE
[N/P]
Former [2008/34]Schmidt, Horst, et al
Hoefer & Partner Patentanwälte Pilgersheimer Strasse 20
81543 München / DE
Former [1985/11]Schmidt, Horst, Dr., et al
H. Schmidt & B. Müller, Postfach 44 01 20
D-80750 München / DE
Former [1981/12]Pohlmann, Eckart, Dipl.-Phys.
Patentanwälte POHLMANN & SCHMIDT Siegfriedstrasse 8
D-8000 München 40 / DE
Application number, filing date80104950.320.08.1980
[1981/12]
Priority number, dateCH1979000831514.09.1979         Original published format: CH 831579
[1981/12]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0025523
Date:25.03.1981
Language:DE
[1981/12]
Type: A3 Search report 
No.:EP0025523
Date:27.05.1981
Language:DE
[1981/21]
Type: B1 Patent specification 
No.:EP0025523
Date:05.10.1983
Language:DE
[1983/40]
Type: B2 New European patent specification 
No.:EP0025523
Date:06.05.1987
Language:DE
[1987/19]
Search report(s)(Supplementary) European search report - dispatched on:EP25.03.1981
ClassificationIPC:H01L41/04
[1981/12]
CPC:
H03H9/02015 (EP,US)
Designated contracting statesAT,   DE,   FR,   GB [1981/12]
TitleGerman:Piezoelektrische Messwandler[1987/19]
English:Piezoelectric transducers[1987/19]
French:Transducteur piézoélectrique[1987/19]
Former [1981/12]Piezoelektrisches Kristallelement für Messwandler
Former [1981/12]Piezoelectric crystalline component for force transducers
Former [1981/12]Composant cristallin piézoélectrique pour transducteurs de mesure
File destroyed:03.03.2001
Examination procedure19.11.1981Examination requested  [1982/04]
09.12.1982Despatch of communication of intention to grant (Approval: )
17.03.1983Communication of intention to grant the patent
14.06.1983Fee for grant paid
14.06.1983Fee for publishing/printing paid
Opposition(s)Opponent(s)01  18.06.1984  27.07.1984  ADMISSIBLE
AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH Prof.Dr.Dr.h.c. Hans List
Kleiststrasse 48
A-8020 Graz / AT
Opponent's representative
Krause, Walter
Patentanwälte Babeluk - Krause, Mariahilfer Gürtel 39/17
1150 Wien / AT
 [N/P]
Former [1984/34]
Opponent(s)01  18.06.1984  27.07.1984  ADMISSIBLE
AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH Prof.Dr.Dr.h.c. Hans List
Kleiststrasse 48
A-8020 Graz / AT
Opponent's representative
Krause, Walter, Dr. Dipl.-Ing.
Postfach 200 Singerstrasse 8
A-1010 Wien / AT
14.08.1984Invitation to proprietor to file observations on the notice of opposition
21.02.1985Reply of patent proprietor to notice(s) of opposition
11.03.1985Communication of observations of patent proprietor (Time limit: M04)
29.06.1985Reply of parties involved to observations of patent proprietor
11.04.1986Despatch of a communication from the opposition division (Time limit: M02)
12.06.1986Reply to a communication from the opposition division
05.11.1986Despatch of communication that the patent will be maintained as amended
30.01.1987Fee for printing new specification paid
Fees paidRenewal fee
14.05.1982Renewal fee patent year 03
17.08.1983Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
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.
Documents cited:SearchUS3437851  [ ] (CADY WALTER G)
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.