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Extract from the Register of European Patents

EP About this file: EP0171492

EP0171492 - Low noise hollow fan blade and process [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.07.1989
Database last updated on 29.10.2024
Most recent event   Tooltip02.03.1990Lapse of the patent in a contracting state
New state(s): CH, LI
published on 18.04.1990 [1990/16]
Applicant(s)For all designated states
F.B.M.- HUDSON ITALIANA S.p.A.
Via R. Lambruschini 15
I-20158 Milan / IT
[1988/12]
Former [1986/08]For all designated states
F.B.M.- HUDSON ITALIANA S.p.A.
Piazzale Lotto, 2
I-20100 Milan / IT
Inventor(s)01 / Nardella, Massimiliano
Viale Certosa, 46
I-20155 Milan / IT
[1986/08]
Representative(s)Dr. Ing. A. Racheli & C. S.r.l.
Viale San Michele del Carso, 4
20144 Milano / IT
[N/P]
Former [1986/08]Dr. Ing. A. Racheli & C. S.r.l.
Viale San Michele del Carso, 4
I-20144 Milano / IT
Application number, filing date85101840.820.02.1985
[1986/08]
Priority number, dateIT1984001985629.02.1984         Original published format: IT 1985684
[1986/08]
Filing languageIT
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0171492
Date:19.02.1986
Language:EN
[1986/08]
Type: B1 Patent specification 
No.:EP0171492
Date:24.08.1988
Language:EN
[1988/34]
Search report(s)(Supplementary) European search report - dispatched on:EP30.07.1985
ClassificationIPC:F04D29/38, F01D5/18
[1986/08]
CPC:
F04D29/388 (EP,US); F01D5/18 (EP,US); F05D2260/96 (EP,US);
Y02T50/60 (EP,US)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   LI,   NL [1986/08]
TitleGerman:Geräuscharmer Hohlflügel für Gebläse und Verfahren[1986/08]
English:Low noise hollow fan blade and process[1986/08]
French:Ailette creuse pour ventilateur à bruit réduit et procédé[1986/08]
File destroyed:12.06.1999
Examination procedure12.07.1986Examination requested  [1986/39]
12.05.1987Despatch of a communication from the examining division (Time limit: M04)
29.08.1987Reply to a communication from the examining division
15.10.1987Despatch of communication of intention to grant (Approval: Yes)
15.02.1988Communication of intention to grant the patent
13.05.1988Fee for grant paid
13.05.1988Fee for publishing/printing paid
Opposition(s)25.05.1989No opposition filed within time limit [1989/34]
Fees paidRenewal fee
02.02.1987Renewal fee patent year 03
26.01.1988Renewal 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.
Lapses during opposition  TooltipGB20.02.1989
BE28.02.1989
CH28.02.1989
LI28.02.1989
[1990/16]
Former [1990/04]GB20.02.1989
BE28.02.1989
Former [1989/39]BE28.02.1989
Documents cited:Search[A]GB1323883  (ROLLS ROYCE);
 [A]NL7302368  ;
 [A]DE2443726  (MUELLER & CO HELIOS APP)
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.