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Extract from the Register of European Patents

EP About this file: EP0455397

EP0455397 - Process and apparatus for tritium recovery [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.01.1997
Database last updated on 28.03.2026
Most recent event   Tooltip28.12.2002Lapse of the patent in a contracting state
New state(s): NL		published on 12.02.2003  [2003/07]
Applicant(s)For all designated states
ONTARIO HYDRO
700 University Avenue H18-C27, Toronto
Ontario M5G 1X6 / CA
[N/P]
Former [1991/45]For all designated states
ONTARIO HYDRO
700 University Avenue
H18-C27, Toronto, Ontario M5G 1X6 / CA
Inventor(s)01 / Busigin, Anthony
1239 Sir David Drive
Oakville, Ontario L6J 6Y9 / CA
02 / Sood, Savtantar K
5748 Riverside Place
Mississauga, Ontario L5M 4W5 / CA
03 / Kalyanam, Kuthur M.
15 Pine Knoll Gate
Thornhill, Ontario L3T 1V4 / CA
[1991/50]
Former [1991/45]01 / Busigin, Anthony
1239 Sir David Drive
Oakville, Ontario L6J 6Y9 / US
02 / Sood, Savtantar K
5748 Riverside Place
Mississauga, Ontario L5M 4W5 / US
03 / Kalyanam, Kuthur M.
15 Pine Knoll Gate
Thronhill, Ontario L3T 1V4 / US
Representative(s)Sommerville, John Henry, et al
Sommerville & Rushton, 45 Grosvenor Road
St. Albans, Hertfordshire AL1 3AW / GB
[N/P]
Former [1991/45]Sommerville, John Henry, et al
SOMMERVILLE & RUSHTON 11 Holywell Hill
St. Albans Hertfordshire, AL1 1EZ / GB
Application number, filing date91303627.323.04.1991
[1991/45]
Priority number, dateUS1990051673330.04.1990         Original published format: US 516733
[1991/45]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0455397
Date:06.11.1991
Language:EN
[1991/45]
Type: A3 Search report 
No.:EP0455397
Date:04.11.1992
Language:EN
[1992/45]
Type: B1 Patent specification 
No.:EP0455397
Date:06.03.1996
Language:EN
[1996/10]
Search report(s)(Supplementary) European search report - dispatched on:EP14.09.1992
ClassificationIPC:G21F9/02, C01B4/00
[1992/45]
CPC:
G21F9/02 (EP,US); C01B4/00 (EP,US); G21B1/115 (EP,US);
Y02E30/10 (EP)
Former IPC [1991/45]G21F9/02
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1991/45]
TitleGerman:Verfahren und Vorrichtung zur Wiedergewinnung von Tritium[1991/45]
English:Process and apparatus for tritium recovery[1991/45]
French:Procédé et appareil pour récupérer le tritium[1991/45]
Examination procedure01.04.1993Examination requested  [1993/22]
26.10.1994Despatch of a communication from the examining division (Time limit: M06)
18.03.1995Reply to a communication from the examining division
21.06.1995Despatch of communication of intention to grant (Approval: Yes)
08.09.1995Communication of intention to grant the patent
22.09.1995Fee for grant paid
22.09.1995Fee for publishing/printing paid
Opposition(s)07.12.1996No opposition filed within time limit [1997/09]
Fees paidRenewal fee
13.04.1993Renewal fee patent year 03
27.04.1994Renewal fee patent year 04
27.04.1995Renewal fee patent year 05
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  TooltipAT06.03.1996
BE06.03.1996
CH06.03.1996
DK06.03.1996
ES06.03.1996
GR06.03.1996
LI06.03.1996
NL06.03.1996
LU30.04.1996
GB06.06.1996
SE06.06.1996
[2003/07]
Former [2002/25]AT06.03.1996
BE06.03.1996
CH06.03.1996
DK06.03.1996
ES06.03.1996
GR06.03.1996
LI06.03.1996
LU30.04.1996
GB06.06.1996
SE06.06.1996
Former [2000/52]AT06.03.1996
BE06.03.1996
CH06.03.1996
DK06.03.1996
GR06.03.1996
LI06.03.1996
LU30.04.1996
GB06.06.1996
SE06.06.1996
Former [2000/50]AT06.03.1996
BE06.03.1996
DK06.03.1996
GR06.03.1996
LU30.04.1996
GB06.06.1996
SE06.06.1996
CH11.06.1996
LI11.06.1996
Former [2000/05]AT06.03.1996
BE06.03.1996
DK06.03.1996
GR06.03.1996
LU30.04.1996
GB06.06.1996
SE06.06.1996
Former [1998/15]AT06.03.1996
BE06.03.1996
DK06.03.1996
GB06.06.1996
SE06.06.1996
Former [1997/30]AT06.03.1996
BE06.03.1996
GB06.06.1996
SE06.06.1996
Former [1997/03]AT06.03.1996
BE06.03.1996
SE06.06.1996
Former [1996/52]BE06.03.1996
SE06.06.1996
Former [1996/44]SE06.06.1996
Documents cited:Search[A] JP1189598  
 [A] JP1076094  
 [A] JP61138519  
 [A]   WORLD PATENTS INDEX LATEST Derwent Publications Ltd., London, GB; AN 89-260307 & JP-A-1 189 598 (TOSHIBA) 28 July 1989 [A]
 [A]   PATENT ABSTRACTS OF JAPAN 26 January 1990, & JP-A-1 076 094 (JAPAN ATOMIC ENERGY) 6 November 1989 [A]
 [A]   WORLD PATENTS INDEX LATEST Derwent Publications Ltd., London, GB; AN 86-207324 & JP-A-61 138 519 (MATSUI) 26 June 1986 [A]
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.