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Extract from the Register of European Patents

EP About this file: EP0292349

EP0292349 - Geophone with a sensitive element of a piezoelectric polymer [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.11.1991
Database last updated on 03.09.2024
Most recent event   Tooltip26.04.2002Lapse of the patent in a contracting state
New state(s): ES
published on 12.06.2002  [2002/24]
Applicant(s)For all designated states
THOMSON-CSF
173, Boulevard Haussmann
F-75008 Paris / FR
[1988/47]
Inventor(s)01 / Gragnolati, Claude
THOMSON-CSF SCPI 19, avenue de Messine
F-75008 Paris / FR
02 / Thollon, Didier
THOMSON-CSF SCPI 19, avenue de Messine
F-75008 Paris / FR
03 / Malcor, Jean-Georges
THOMSON-CSF SCPI 19, avenue de Messine
F-75008 Paris / FR
[1988/47]
Representative(s)Desperrier, Jean-Louis, et al
Thomson-CSF Propriété Intellectuelle, 13, Avenue du Président Salvador Allende
94117 Arcueil Cédex / FR
[N/P]
Former [1988/47]Desperrier, Jean-Louis, et al
THOMSON-CSF SCPI B.P. 329 50, rue Jean-Pierre Timbaud
F-92402 Courbevoie Cédex / FR
Application number, filing date88401085.104.05.1988
[1988/47]
Priority number, dateFR1987000699019.05.1987         Original published format: FR 8706990
[1988/47]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0292349
Date:23.11.1988
Language:FR
[1988/47]
Type: B1 Patent specification 
No.:EP0292349
Date:23.01.1991
Language:FR
[1991/04]
Search report(s)(Supplementary) European search report - dispatched on:EP12.08.1988
ClassificationIPC:G01V1/18
[1988/47]
CPC:
G01V1/184 (EP,US); Y10S310/80 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1988/47]
TitleGerman:Geophon mit einem empfindlichen Element aus piezoelektrischem Polymer[1988/47]
English:Geophone with a sensitive element of a piezoelectric polymer[1988/47]
French:Géophone comportant un élément sensible en polymère piézoélectrique[1988/47]
Examination procedure20.03.1989Examination requested  [1989/21]
26.06.1990Despatch of communication of intention to grant (Approval: Yes)
25.07.1990Communication of intention to grant the patent
06.10.1990Fee for grant paid
06.10.1990Fee for publishing/printing paid
Opposition(s)24.10.1991No opposition filed within time limit [1992/03]
Fees paidRenewal fee
18.04.1990Renewal fee patent year 03
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Lapses during opposition  TooltipAT23.01.1991
ES23.01.1991
GR23.01.1991
NL23.01.1991
BE31.05.1991
CH31.05.1991
LI31.05.1991
LU31.05.1991
[2002/24]
Former [2000/04]AT23.01.1991
GR23.01.1991
NL23.01.1991
BE31.05.1991
CH31.05.1991
LI31.05.1991
LU31.05.1991
Former [1999/52]AT23.01.1991
NL23.01.1991
BE31.05.1991
CH31.05.1991
LI31.05.1991
LU31.05.1991
Former [1992/32]AT23.01.1991
NL23.01.1991
BE31.05.1991
CH31.05.1991
LI31.05.1991
Former [1992/16]AT23.01.1991
NL23.01.1991
CH31.05.1991
LI31.05.1991
Former [1991/49]AT23.01.1991
NL23.01.1991
Documents cited:Search[A]US3360772  (FRANK MASSA);
 [A]GB2055018  (KUREHA CHEMICAL IND CO LTD, et al);
 [A]US4315433  (EDELMAN SEYMOUR, et al);
 [A]US4333029  (KOLM ERIC A, et al);
 [A]GB2170008  (BENHAM)
 [A]  - MACHINE DESIGN, vol. 47, no. 13, 29 mai 1975, page 31, Cleveland, US: "Aerospace accelerometer comes down to earth"
 [A]  - IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, vol. IE-30, no. 1, février 1983, pages 1-6, IEEE, New York, US; J.S. HUNTER et al.: "Development of low-cost multifunction sensors for lightweight fire and forget antitank weapon system"
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.