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Extract from the Register of European Patents

EP About this file: EP0034932

EP0034932 - Pilot valve for a main safety valve [Right-click to bookmark this link]
Former [1981/35]Improvements in and relating to valves
[1984/18]
StatusNo opposition filed within time limit
Status updated on  11.03.1985
Database last updated on 16.11.2024
Most recent event   Tooltip26.04.2002Lapse of the patent in a contracting state
New state(s): FR
published on 12.06.2002  [2002/24]
Applicant(s)For all designated states
WHESSOE PUBLIC LIMITED COMPANY
Brinkburn Road, Darlington
Co. Durham DL3 6DS / GB
[1981/35]
Inventor(s)01 / Williams, John Arthur
13 Springfield Skeeby
Richmond North Yorkshire / GB
[1981/35]
Representative(s)Harrison, Philippa Dinah, et al
A. A. Thornton & Co 235 High Holborn
London WC1V 7LE / GB
[N/P]
Former [1981/35]Harrison, Philippa Dinah, et al
A. A. THORNTON & CO Northumberland House 303-306 High Holborn
London WC1V 7LE / GB
Application number, filing date81300725.920.02.1981
[1981/35]
Priority number, dateGB1980000632325.02.1980         Original published format: GB 8006323
[1981/35]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0034932
Date:02.09.1981
Language:EN
[1981/35]
Type: B1 Patent specification 
No.:EP0034932
Date:02.05.1984
Language:EN
[1984/18]
Search report(s)(Supplementary) European search report - dispatched on:EP23.06.1981
ClassificationIPC:F16K17/10
[1981/35]
CPC:
F16K17/10 (EP)
Designated contracting statesFR,   GB,   SE [1981/35]
TitleGerman:Hilfsventil zur Steuerung eines Haupt-Sicherheitsventils[1984/18]
English:Pilot valve for a main safety valve[1984/18]
French:Soupape pilote pour la commande d'une soupape principale de sûreté[1984/18]
Former [1981/35]Ventile
Former [1981/35]Improvements in and relating to valves
Former [1981/35]Soupapes
File destroyed:20.04.2002
Examination procedure24.07.1981Examination requested  [1981/40]
28.05.1982Despatch of a communication from the examining division (Time limit: M04)
13.08.1982Reply to a communication from the examining division
23.12.1982Despatch of a communication from the examining division (Time limit: M02)
07.02.1983Reply to a communication from the examining division
24.06.1983Despatch of communication of intention to grant (Approval: )
14.09.1983Communication of intention to grant the patent
01.11.1983Fee for grant paid
01.11.1983Fee for publishing/printing paid
Opposition(s)05.02.1985No opposition filed within time limit [1985/20]
Fees paidRenewal fee
11.02.1983Renewal fee patent year 03
11.02.1984Renewal 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  TooltipFR02.05.1984
SE02.05.1984
[2002/24]
Former [1986/12]SE02.05.1984
Documents cited:SearchUS2833304  [ ];
 AT286043B  [ ];
 US3460559  [ ]
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.