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Extract from the Register of European Patents

EP About this file: EP0198617

EP0198617 - Non-linear electromagnetic vibration fluid compression device [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.09.1990
Database last updated on 05.10.2024
Most recent event   Tooltip23.11.2007Lapse of the patent in a contracting state
New state(s): FR		published on 26.12.2007  [2007/52]
Applicant(s)For all designated states
Shanghai New Mechanical Technology Development Centre
Shanghai University of Technology 149 Yian Chang Road P.O. Box 195
Shanghai / CN
[1986/43]
Inventor(s)01 / Cao, Pei Sheng
33/5 Jiao Tong Road
Shanghai / CN
[1986/43]
Representative(s)Wilson, Nicholas Martin, et al
Withers & Rogers LLP Goldings House, 2 Hays Lane
London SE1 2HW / GB
[N/P]
Former [1986/43]Wilson, Nicholas Martin, et al
WITHERS & ROGERS 4 Dyer's Buildings Holborn
London EC1N 2JT / GB
Application number, filing date86302250.526.03.1986
[1986/43]
Priority number, dateCN198510341720.04.1985         Original published format: CN 85103417
CN198510285501.04.1985         Original published format: CN 85102855
[1986/43]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0198617
Date:22.10.1986
Language:EN
[1986/43]
Type: A3 Search report 
No.:EP0198617
Date:29.07.1987
Language:EN
[1987/31]
Type: B1 Patent specification 
No.:EP0198617
Date:23.11.1989
Language:EN
[1989/47]
Search report(s)(Supplementary) European search report - dispatched on:EP09.06.1987
ClassificationIPC:H02K33/02, F04B35/04, F04B17/04
[1986/43]
CPC:
F04B17/042 (EP); H02K33/02 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1986/43]
TitleGerman:Nicht-lineare elektromagnetische Vibrationsvorrichtung zur Verdichtung eines Fluidums[1986/43]
English:Non-linear electromagnetic vibration fluid compression device[1986/43]
French:Dispositif de vibration électromagnétique non-linéaire pour la compression d'un fluide[1986/43]
File destroyed:20.04.2002
Examination procedure21.12.1987Examination requested  [1988/08]
05.05.1988Despatch of a communication from the examining division (Time limit: M08)
15.12.1988Reply to a communication from the examining division
18.01.1989Despatch of communication of intention to grant (Approval: Yes)
24.05.1989Communication of intention to grant the patent
14.08.1989Fee for grant paid
14.08.1989Fee for publishing/printing paid
Opposition(s)24.08.1990No opposition filed within time limit [1990/45]
Fees paidRenewal fee
23.04.1988Renewal fee patent year 03
08.05.1989Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
31.03.198803   M06   Fee paid on   23.04.1988
31.03.198904   M06   Fee paid on   08.05.1989
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.
Lapses during opposition  TooltipAT23.11.1989
BE23.11.1989
CH23.11.1989
FR23.11.1989
IT23.11.1989
LI23.11.1989
NL23.11.1989
SE23.11.1989
GB26.03.1990
LU31.03.1990
[2002/24]
Former [1999/52]AT23.11.1989
BE23.11.1989
CH23.11.1989
IT23.11.1989
LI23.11.1989
NL23.11.1989
SE23.11.1989
GB26.03.1990
LU31.03.1990
Former [1999/42]AT23.11.1989
BE23.11.1989
CH23.11.1989
IT23.11.1989
LI23.11.1989
NL23.11.1989
SE23.11.1989
GB26.03.1990
Former [1991/30]AT23.11.1989
BE23.11.1989
CH23.11.1989
LI23.11.1989
NL23.11.1989
SE23.11.1989
GB26.03.1990
Former [1991/14]AT23.11.1989
BE23.11.1989
CH23.11.1989
LI23.11.1989
NL23.11.1989
SE23.11.1989
Former [1990/42]AT23.11.1989
CH23.11.1989
LI23.11.1989
NL23.11.1989
SE23.11.1989
Former [1990/29]CH23.11.1989
LI23.11.1989
NL23.11.1989
SE23.11.1989
Former [1990/28]CH23.11.1989
LI23.11.1989
Documents cited:Search[Y]DE2950831  ;
 [Y]US2721453  ;
 [A]GB1551522  ;
 [A]DE821000  ;
 [A]GB2018523  ;
 [A]GB2017422  ;
 [A]DE902641  ;
 [A]DE2310955
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.