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Extract from the Register of European Patents

EP About this file: EP0026068

EP0026068 - Circuits for electromagnet energisation control [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  18.12.1984
Database last updated on 03.08.2024
Most recent event   Tooltip18.12.1984No opposition filed within time limitpublished on 20.02.1985 [1985/08]
Applicant(s)For all designated states
LUCAS INDUSTRIES public limited company
Great King Street Birmingham, B19 2XF
West Midlands / GB
[N/P]
Former [1981/13]For all designated states
LUCAS INDUSTRIES public limited company
Great King Street
Birmingham, B19 2XF West Midlands / GB
Inventor(s)01 / Hill, William Frank
2 Oakridge Close
Stafford / GB
[1981/13]
Representative(s)Evershed, Michael, et al
MARKS & CLERK Alpha Tower Suffolk Street Queensway
Birmingham B1 1TT / GB
[1981/13]
Application number, filing date80303166.510.09.1980
[1981/13]
Priority number, dateGB1979003295122.09.1979         Original published format: GB 7932951
[1981/13]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0026068
Date:01.04.1981
Language:EN
[1981/13]
Type: B1 Patent specification 
No.:EP0026068
Date:15.02.1984
Language:EN
[1984/07]
Search report(s)(Supplementary) European search report - dispatched on:EP16.01.1981
ClassificationIPC:H01F7/18
[1981/13]
CPC:
H01F7/1811 (EP,US)
Designated contracting statesDE,   FR,   GB,   IT [1981/13]
TitleGerman:Schaltungen zum Steuern der Erregung eines Elektromagneten[1981/13]
English:Circuits for electromagnet energisation control[1981/13]
French:Circuits pour commander l'excitation d'électro-aimant[1981/13]
Examination procedure01.10.1981Examination requested  [1981/50]
13.12.1982Despatch of a communication from the examining division (Time limit: M04)
19.04.1983Reply to a communication from the examining division
16.05.1983Despatch of communication of intention to grant (Approval: )
05.08.1983Communication of intention to grant the patent
04.11.1983Fee for grant paid
04.11.1983Fee for publishing/printing paid
Opposition(s)16.11.1984No opposition filed within time limit [1985/08]
Fees paidRenewal fee
14.09.1982Renewal fee patent year 03
21.09.1983Renewal fee patent year 04
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:SearchDE2255553  [ ] (JENOPTIK JENA GMBH);
 US3859571  [ ] (STROBL FRED A, et al);
 US3629663  [ ] (BUTKUS GEDIMINAS J);
 US3909681  [ ] (CAMPARI ALFREDO, et al);
 [P]DE2845069  (MAGDEBURGER ARMATURENWERKE)
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.