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Extract from the Register of European Patents

EP About this file: EP0176688

EP0176688 - Valve spring retainer cap and method for its manufacture [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  06.10.1989
Database last updated on 01.10.2024
Most recent event   Tooltip06.10.1989No opposition filed within time limitpublished on 23.11.1989 [1989/47]
Applicant(s)For all designated states
Deutsches Zentrum für Luft- und Raumfahrt e.V
53127 Bonn / DE
[N/P]
Former [1986/15]For all designated states
Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V.
D-5300 Bonn / DE
Inventor(s)01 / Hinz, Bernhard, Dipl.-Ing.
Schliephakestrasse 4
D-6000 Frankfurt 80 / DE
02 / Steigleder, Walter, Dipl.-Ing.
Albert Schättlestrasse 127
D-7000 Stuttgart 1 / DE
[1986/15]
Representative(s)Hoeger, Stellrecht & Partner Patentanwälte mbB
Uhlandstrasse 14c
70182 Stuttgart / DE
[N/P]
Former [1986/15]Hoeger, Stellrecht & Partner
Uhlandstrasse 14 c
D-70182 Stuttgart / DE
Application number, filing date85109291.624.07.1985
[1986/15]
Priority number, dateDE1984343619303.10.1984         Original published format: DE 3436193
[1986/15]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0176688
Date:09.04.1986
Language:DE
[1986/15]
Type: A3 Search report 
No.:EP0176688
Date:22.04.1987
Language:DE
[1987/17]
Type: B1 Patent specification 
No.:EP0176688
Date:07.12.1988
Language:DE
[1988/49]
Search report(s)(Supplementary) European search report - dispatched on:EP03.03.1987
ClassificationIPC:F01L3/10
[1986/15]
CPC:
F01L3/10 (EP,US)
Designated contracting statesFR,   GB,   IT,   SE [1986/15]
TitleGerman:Ventilfederteller und Verfahren zu dessen Herstellung[1986/15]
English:Valve spring retainer cap and method for its manufacture[1986/15]
French:Rondelle de retenu-ressort de soupape et sa méthode de fabrication[1986/15]
Examination procedure07.05.1987Examination requested  [1987/28]
30.10.1987Despatch of a communication from the examining division (Time limit: M02)
06.11.1987Reply to a communication from the examining division
21.01.1988Despatch of communication of intention to grant (Approval: Yes)
05.05.1988Communication of intention to grant the patent
20.07.1988Fee for grant paid
20.07.1988Fee for publishing/printing paid
Opposition(s)08.09.1989No opposition filed within time limit [1989/47]
Fees paidRenewal fee
29.05.1987Renewal fee patent year 03
16.07.1988Renewal fee patent year 04
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Documents cited:Search[A]JP59224410  ;
 [A]DE3201023  (BOSCH GMBH ROBERT [DE]);
 [A]US4432311  (HOLTZBERG MATTHEW W [US], et al)
 [A]  - PATENTS ABSTRACTS OF JAPAN, Band 9, Nr. 100 (M-376)[1823], 2. Mai 1985; & JP-A-59 224 410 (TOYOTA JIDOSHA K.K.) 17-12-1984, & JP59224410 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.