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Extract from the Register of European Patents

EP About this file: EP0658072

EP0658072 - Ballast circuit for a cathode-heated type of gas discharge lamp [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  15.01.1999
Database last updated on 20.05.2024
Most recent event   Tooltip15.01.1999Refusal of applicationpublished on 03.03.1999 [1999/09]
Applicant(s)For all designated states
GENERAL ELECTRIC COMPANY
1 River Road
Schenectady, NY 12345 / US
[N/P]
Former [1995/24]For all designated states
GENERAL ELECTRIC COMPANY
1 River Road
Schenectady, NY 12345 / US
Inventor(s)01 / Kachmarik, David Joseph
26656 Waterbury Circle
North Olmsted, Ohio 44070 / US
02 / Secen, Michael Matthew
5947 Galaxie Drive
Mentor, Ohio 44060 / US
03 / Nerone, Louis Robert
8058 Tanager Oval
Brecksville, Ohio 44141 / US
04 / Haas, Kurt William
8439 Sharp Lane
Chesterland, Ohio 44026 / US
[1995/24]
Representative(s)Goode, Ian Roy, et al
London Patent Operation
General Electric International, Inc.
15 John Adam Street
London
WC2N 6LU / GB
[N/P]
Former [1997/25]Goode, Ian Roy, et al
London Patent Operation General Electric International, Inc., Essex House, 12-13 Essex Street
London WC2R 3AA / GB
Former [1995/24]Pratt, Richard Wilson, et al
London Patent Operation G.E. Technical Services Co. Inc. Essex House 12/13 Essex Street
London WC2R 3AA / GB
Application number, filing date94308583.721.11.1994
[1995/24]
Priority number, dateUS1993016184406.12.1993         Original published format: US 161844
[1995/24]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0658072
Date:14.06.1995
Language:EN
[1995/24]
Type: A3 Search report 
No.:EP0658072
Date:12.07.1995
Language:EN
[1995/28]
Search report(s)(Supplementary) European search report - dispatched on:EP23.05.1995
ClassificationIPC:H05B41/29
[1995/24]
CPC:
H05B41/2988 (EP,US); Y10S315/05 (EP)
Designated contracting statesDE,   FR,   GB,   IT [1995/24]
TitleGerman:Vorschaltgerät für eine Entladungslampe mit vorheizbaren Wendeln[1995/24]
English:Ballast circuit for a cathode-heated type of gas discharge lamp[1995/24]
French:Circuit ballast pour une lampe à décharge avec électrodes de préchauffage[1995/24]
Examination procedure12.01.1996Examination requested  [1996/11]
13.03.1997Despatch of a communication from the examining division (Time limit: M04)
23.07.1997Reply to a communication from the examining division
27.08.1997Despatch of a communication from the examining division (Time limit: M06)
06.01.1998Reply to a communication from the examining division
13.02.1998Despatch of a communication from the examining division (Time limit: M06)
17.08.1998Reply to a communication from the examining division
02.10.1998Despatch of communication that the application is refused, reason: substantive examination [1999/09]
12.10.1998Application refused, date of legal effect [1999/09]
Fees paidRenewal fee
02.12.1996Renewal fee patent year 03
01.12.1997Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
30.11.199805   M06   Not yet paid
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Documents cited:Search[X]DE3840845  (NARVA VEB [DD]) [X] 1-3,5-10 * column 1, line 39 - column 2, line 31; figure 1 *;
 [X]WO9107070  (SKYLINE HOLDING AG [CH]) [X] 1-3,5-10 * page 4, line 5 - page 5, line 2; figure 2 *;
 [A]DE4219958  (TRILUX) [A] 4 * figure 1 *
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.