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Extract from the Register of European Patents

EP About this file: EP0680249

EP0680249 - Fabricated sheet metal heat sink [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  18.12.1998
Database last updated on 08.06.2024
Most recent event   Tooltip18.12.1998Application deemed to be withdrawnpublished on 03.02.1999 [1999/05]
Applicant(s)For all designated states
AT&T Corp.
32 Avenue of the Americas
New York, NY 10013-2412 / US
[1995/44]
Inventor(s)01 / Kam, Lit-Yan
20 Cambridge Way
Wayside, New Jersey 07712 / US
[1995/44]
Representative(s)Johnston, Kenneth Graham, et al
Lucent Technologies EUR-IP UK Ltd Unit 18, Core 3 Workzone Innova Business Park Electric Avenue
Enfield, EN3 7XB / GB
[N/P]
Former [1995/44]Johnston, Kenneth Graham, et al
AT&T (UK) Ltd. 5 Mornington Road
Woodford Green Essex, IG8 OTU / GB
Application number, filing date95302580.619.04.1995
[1995/44]
Priority number, dateUS1994023557429.04.1994         Original published format: US 235574
[1995/44]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0680249
Date:02.11.1995
Language:EN
[1995/44]
Type: A3 Search report 
No.:EP0680249
Date:08.05.1996
[1996/19]
Search report(s)(Supplementary) European search report - dispatched on:EP22.03.1996
ClassificationIPC:H05K7/20, H01L23/367, H01L23/40
[1996/19]
CPC:
H01L23/34 (KR); H01L23/3672 (EP); H01L23/4006 (EP);
H01L2023/405 (EP); H01L2023/4062 (EP); H01L2924/0002 (EP)
C-Set:
H01L2924/0002, H01L2924/00 (EP)
Former IPC [1995/44]H05K7/20, H01L23/467
Designated contracting statesDE,   FR,   GB,   IT,   NL,   SE [1995/44]
TitleGerman:Aus Metallblech hergestellter Kühlkörper[1995/44]
English:Fabricated sheet metal heat sink[1995/44]
French:Refroidisseur fabriqué d'une feuille de metal[1995/44]
Examination procedure24.10.1996Examination requested  [1996/52]
31.03.1998Despatch of a communication from the examining division (Time limit: M04)
11.08.1998Application deemed to be withdrawn, date of legal effect  [1999/05]
09.09.1998Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1999/05]
Fees paidRenewal fee
18.04.1997Renewal fee patent year 03
16.04.1998Renewal fee patent year 04
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Documents cited:Search[YX]US3893161  (PESAK JR ALBERT) [Y] 1-4,7-11 * column 2, line 46 - line 61 * [X] 12
 [Y]  - "PANEL HEAT SINK FOR VLSI MODULES", IBM TECHNICAL DISCLOSURE BULLETIN, (19900601), vol. 33, no. 1B, page 373/374, XP000122930 [Y] 1-4,7-11 * the whole document *
 [X]  - "BOW-TIE HEAT SINK", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 20, no. 2, page 563 [X] 1,12 * the whole document *
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.