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Extract from the Register of European Patents

EP About this file: EP0143227

EP0143227 - Electro-magnetic stepping motor with two coupled rotors [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  06.05.1988
Database last updated on 07.10.2024
Most recent event   Tooltip06.05.1988No opposition filed within time limitpublished on 22.06.1988 [1988/25]
Applicant(s)For all designated states
Omega SA
Rue Stämpfli 96
2500 Bienne / CH
[N/P]
Former [1985/23]For all designated states
Omega SA
Rue Stämpfli 96
CH-2500 Bienne / CH
Inventor(s)01 / Mai, Tu Xuan
Rue Blancherie 34
CH-1022 Chavannes / CH
[1985/23]
Representative(s)de Raemy, Jacques, et al
ICB
Ingénieurs Conseils en Brevets SA
Faubourg de l'Hôpital 3
2001 Neuchâtel / CH
[N/P]
Former [1987/16]de Raemy, Jacques, et al
ICB Ingénieurs Conseils en Brevets SA Passage Max. Meuron 6
CH-2001 Neuchâtel / CH
Former [1985/51]de Raemy, Jacques
ICB Ingénieurs Conseils en Brevets SA Passage Max. Meuron 6
CH-2001 Neuchâtel / CH
Former [1985/23]de Raemy, Jacques
ICB Ingénieurs Conseils en Brevets SA Passage Max. Meuron 6
CH-2001 Neuchâtel / CH
Application number, filing date84110853.312.09.1984
[1985/23]
Priority number, dateCH1983000504916.09.1983         Original published format: CH 504983
[1985/23]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0143227
Date:05.06.1985
Language:FR
[1985/23]
Type: B1 Patent specification 
No.:EP0143227
Date:24.06.1987
Language:FR
[1987/26]
Search report(s)(Supplementary) European search report - dispatched on:EP22.02.1985
ClassificationIPC:G04C13/11, H02K16/02
[1985/23]
CPC:
G04C13/11 (EP,US); H02K16/02 (EP,US)
Designated contracting statesDE,   FR,   GB [1985/23]
TitleGerman:Elektromagnetischen Schrittmotor mit zwei gekuppelten Rotoren[1985/23]
English:Electro-magnetic stepping motor with two coupled rotors[1985/23]
French:Moteur électromagnétique pas à pas à deux rotors couplés[1985/23]
Examination procedure20.06.1985Examination requested  [1985/36]
09.09.1986Despatch of communication of intention to grant (Approval: )
23.12.1986Communication of intention to grant the patent
02.03.1987Fee for grant paid
02.03.1987Fee for publishing/printing paid
Opposition(s)25.03.1988No opposition filed within time limit [1988/25]
Fees paidRenewal fee
18.09.1986Renewal fee patent year 03
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Documents cited:Search[AD]JP57116577  ;
 [AP]EP0092521  (EBAUCHESFABRIK ETA AG [CH])
 [AD]  - PATENTS ABSTRACTS OF JAPAN, vol. 6, no. 211(E-137)(1089), 23 octobre 1982; & JP - A - 57 116 577 (20-07-1982), & JP57116577 A 00000000
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.