Extract from the Register of European Patents

EP About this file: EP0143515

EP0143515 - Coiled spring [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  30.08.1990
Database last updated on 11.04.2026
Most recent event   Tooltip30.08.1990No opposition filed within time limitpublished on 17.10.1990 [1990/42]
Applicant(s)For all designated states
MURATA HATSUJO CO., LTD.
20-4, Hiraidekogyodanchi Utsunomiya-shi
Tochigi-ken / JP
[N/P]
Former [1985/23]For all designated states
MURATA HATSUJO CO., LTD.
20-4, Hiraidekogyodanchi
Utsunomiya-shi Tochigi-ken / JP
Inventor(s)01 / Matsumoto, Yukio
20-4, Hiraidekogyodanchi
Utsunomiya-shi Tochigi-ken / JP
02 / Saito, Noriyuki
20-4, Hiraidekogyodanchi
Utsunomiya-shi Tochigi-ken / JP
03 / Morita, Kuniki
20-4, Hiraidekogyodanchi
Utsunomiya-shi Tochigi-ken / JP
[1985/23]
Representative(s)Wood, Anthony Charles, et al
Urquhart-Dykes & Lord 30 Welbeck Street
London W1M 7PG / GB
[N/P]
Former [1989/26]Wood, Anthony Charles, et al
Urquhart-Dykes & Lord 91 Wimpole Street
London W1M 8AH / GB
Former [1986/13]Burnside, Michael
Urquhart-Dykes & Lord 91 Wimpole Street
London W1M 8AH / GB
Former [1985/23]Brock, Peter William
Michael Burnside & Partners 2 Serjeants' Inn Fleet Street
London EC4Y 1HL / GB
Application number, filing date84305710.022.08.1984
[1985/23]
Priority number, dateJP1983022548401.12.1983         Original published format: JP 22548483
[1985/23]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0143515
Date:05.06.1985
Language:EN
[1985/23]
Type: A3 Search report 
No.:EP0143515
Date:25.09.1985
Language:EN
[1985/39]
Type: B1 Patent specification 
No.:EP0143515
Date:08.11.1989
Language:EN
[1989/45]
Search report(s)(Supplementary) European search report - dispatched on:EP24.07.1985
ClassificationIPC:F16F1/04
[1985/23]
CPC:
F16F1/042 (EP,US)
Designated contracting statesDE,   FR,   GB,   IT,   SE [1985/23]
TitleGerman:Schraubenfeder[1985/31]
English:Coiled spring[1985/23]
French:Ressort enroulé[1985/31]
Examination procedure06.03.1986Examination requested  [1986/19]
27.04.1987Despatch of a communication from the examining division (Time limit: M10)
31.12.1987Reply to a communication from the examining division
12.02.1988Despatch of a communication from the examining division (Time limit: M06)
20.08.1988Reply to a communication from the examining division
29.09.1988Despatch of communication of intention to grant (Approval: Yes)
13.04.1989Communication of intention to grant the patent
30.05.1989Fee for grant paid
30.05.1989Fee for publishing/printing paid
Opposition(s)09.08.1990No opposition filed within time limit [1990/42]
Fees paidRenewal fee
04.07.1986Renewal fee patent year 03
20.08.1987Renewal fee patent year 04
02.07.1988Renewal fee patent year 05
14.08.1989Renewal fee patent year 06
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Cited inExamination  Product Engineering, 27.01.69, pages 86 to 88
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