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Extract from the Register of European Patents

EP About this file: EP0495819

EP0495819 - IMPROVEMENTS TO OIL/WATER MEASUREMENT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.11.2000
Database last updated on 10.05.2025
Most recent event   Tooltip06.08.2004Lapse of the patent in a contracting state
New state(s): LU		published on 22.09.2004  [2004/39]
Applicant(s)For all designated states
AGAR CORPORATION INCORPORATED
1600 Townhurst, PO Box 802127
Houston, Texas / US
[1996/34]
Former [1992/31]For all designated states
AGAR, Joram
18 Islands Club P.O. Box 1764 Grand Cayman
Cayman Islands / KY
Inventor(s)01 / Agar, Joram
18 Island Club, P.O. Box 1764
Grand Cayman / KY
[1996/34]
Former [1992/31]01 / see applicant
...
Representative(s)Beresford, Keith Denis Lewis, et al
Beresford Crump LLP
16 High Holborn
London WC1V 6BX / GB
[N/P]
Former [1992/31]Beresford, Keith Denis Lewis, et al
BERESFORD & Co. 2-5 Warwick Court High Holborn
London WC1R 5DJ / GB
Application number, filing date90914755.504.10.1990
[1992/31]
WO1990GB01529
Priority number, dateUS1989041765804.10.1989         Original published format: US 417658
[1992/31]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9105243
Date:18.04.1991
Language:EN
[1991/09]
Type: A1 Application with search report 
No.:EP0495819
Date:29.07.1992
Language:EN
The application published by WIPO in one of the EPO official languages on 18.04.1991 takes the place of the publication of the European patent application.
[1992/31]
Type: B1 Patent specification 
No.:EP0495819
Date:05.01.2000
Language:EN
[2000/01]
Search report(s)International search report - published on:EP18.04.1991
ClassificationIPC:G01N22/00
[1992/31]
CPC:
G01N22/00 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1992/31]
TitleGerman:ÖL-/WASSERMESSUNG[1992/31]
English:IMPROVEMENTS TO OIL/WATER MEASUREMENT[1992/31]
French:AMELIORATIONS APPORTEES AU MESURAG D'HUILE/EAU[1992/31]
Entry into regional phase16.03.1992National basic fee paid 
16.03.1992Designation fee(s) paid 
16.03.1992Examination fee paid 
Examination procedure03.05.1991Request for preliminary examination filed
International Preliminary Examining Authority: DE
16.03.1992Examination requested  [1992/31]
14.06.1994Despatch of a communication from the examining division (Time limit: M06)
12.12.1994Reply to a communication from the examining division
12.01.1996Despatch of a communication from the examining division (Time limit: M06)
12.07.1996Reply to a communication from the examining division
14.03.1997Despatch of a communication from the examining division (Time limit: M06)
24.09.1997Reply to a communication from the examining division
16.09.1998Despatch of a communication from the examining division (Time limit: M01)
02.10.1998Reply to a communication from the examining division
21.01.1999Date of oral proceedings
18.02.1999Despatch of communication of intention to grant (Approval: Yes)
18.02.1999Minutes of oral proceedings despatched
07.07.1999Communication of intention to grant the patent
13.09.1999Fee for grant paid
13.09.1999Fee for publishing/printing paid
Divisional application(s)EP99201984.4  / EP0962761
Opposition(s)06.10.2000No opposition filed within time limit [2000/51]
Fees paidRenewal fee
09.10.1992Renewal fee patent year 03
11.10.1993Renewal fee patent year 04
08.10.1994Renewal fee patent year 05
10.10.1995Renewal fee patent year 06
09.10.1996Renewal fee patent year 07
10.10.1997Renewal fee patent year 08
12.10.1998Renewal fee patent year 09
14.10.1999Renewal fee patent year 10
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipAT05.01.2000
BE05.01.2000
CH05.01.2000
ES05.01.2000
LI05.01.2000
SE05.01.2000
DK05.04.2000
DE06.04.2000
LU04.10.2000
[2004/39]
Former [2003/45]AT05.01.2000
BE05.01.2000
CH05.01.2000
ES05.01.2000
LI05.01.2000
SE05.01.2000
DK05.04.2000
DE06.04.2000
Former [2002/25]AT05.01.2000
BE05.01.2000
CH05.01.2000
ES05.01.2000
LI05.01.2000
SE05.01.2000
DE06.04.2000
Former [2002/23]AT05.01.2000
BE05.01.2000
CH05.01.2000
LI05.01.2000
SE05.01.2000
DE06.04.2000
Former [2002/11]AT05.01.2000
BE05.01.2000
CH05.01.2000
LI05.01.2000
DE06.04.2000
Former [2001/08]AT05.01.2000
BE05.01.2000
CH05.01.2000
LI05.01.2000
Former [2000/52]CH05.01.2000
LI05.01.2000
Former [2000/50]CH10.04.2000
LI10.04.2000
Cited inInternational search[A]JP52139464  ;
 US3498112  [ ] (HOWARD DEAN D);
 US4257708  [ ] (FUKUDA NORISUKE);
 US4423623  [ ] (HO WILLIAM W [US], et al);
 US4503383  [ ] (AGAR JORAM [KY], et al);
 US4764718  [ ] (REVUS DAVID E [US], et al);
 US4774680  [ ] (AGAR JORAM [KY])
 [A]  - Patent Abstracts of Japan, vol. 2, no. 20, page 11346E77, 9 February 1978; & JP-A-52139464 (TOKYO SHIBAURA DENKI) 21 November 1977, & JP52139464 A 19771121
 [A]  - Review of Scientific Instruments, vol. 50, no. 10, October 1979 American Institute of Physics (US) N. Abuaf et al.: "Radio-frequency probe for bubble size and velocity measurements", pages 1260-1262
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.