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Extract from the Register of European Patents

EP About this file: EP0456354

EP0456354 - Integrated circuit buffer with improved drive capability [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  10.01.1997
Database last updated on 22.05.2024
Most recent event   Tooltip10.01.1997Withdrawal of applicationpublished on 26.02.1997 [1997/09]
Applicant(s)For all designated states
AT&T Corp.
32 Avenue of the Americas
New York, NY 10013-2412 / US
[1991/46]
Inventor(s)01 / Gabara, Thaddeus John
11 Penn Hill Drive
Schnecksville, Pennsylvania 18078 / US
[1991/46]
Representative(s)Buckley, Christopher Simon Thirsk, et al
Lucent Technologies (UK) Ltd, 5 Mornington Road Woodford Green
Essex IG8 0TU / GB
[N/P]
Former [1994/08]Buckley, Christopher Simon Thirsk, et al
AT&T (UK) LTD., AT&T Intellectual Property Division, 5 Mornington Road
Woodford Green, Essex IG8 0TU / GB
Former [1991/46]Buckley, Christopher Simon Thirsk
AT&T (UK) LTD. 5 Mornington Road
Woodford Green Essex IG8 0TU / GB
Application number, filing date91303372.616.04.1991
[1991/46]
Priority number, dateUS1990051464725.04.1990         Original published format: US 514647
[1991/46]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0456354
Date:13.11.1991
Language:EN
[1991/46]
Type: A3 Search report 
No.:EP0456354
Date:21.11.1991
Language:EN
[1991/47]
Search report(s)(Supplementary) European search report - dispatched on:EP01.10.1991
ClassificationIPC:H03K19/0185, H03K19/003
[1991/46]
CPC:
H03K19/00361 (EP,US); H03K19/01721 (EP,US); H03K19/018521 (EP,US)
Designated contracting statesDE,   FR,   GB,   IT [1991/46]
TitleGerman:Integrierte Pufferschaltung mit verbesserter Treibfähigkeit[1991/46]
English:Integrated circuit buffer with improved drive capability[1991/46]
French:Circuit tampon intégré à capacité d'attaque améliorée[1991/46]
Examination procedure11.05.1992Examination requested  [1992/28]
29.11.1995Despatch of a communication from the examining division (Time limit: M04)
27.03.1996Reply to a communication from the examining division
24.04.1996Despatch of a communication from the examining division (Time limit: M04)
09.08.1996Reply to a communication from the examining division
29.10.1996Despatch of communication that the application is refused, reason: substantive examination {1}
19.12.1996Application withdrawn by applicant  [1997/09]
Fees paidRenewal fee
13.04.1993Renewal fee patent year 03
18.04.1994Renewal fee patent year 04
18.04.1995Renewal fee patent year 05
23.04.1996Renewal fee patent year 06
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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.
Documents cited:Search[X]JPS63276917  ;
 [X]JPS6420721  ;
 [X]JPS63240207  ;
 [X]JPS58196726  ;
 [X]EP0212584  (TOSHIBA KK [JP]);
 [X]US4777389  (WU BOR-TAY [US], et al);
 [A]US4731553  (VAN LEHN DAVID A [US], et al);
 [AD]US4823029  (GABARA THADDEUS J [US])
 [X]  - PATENT ABSTRACTS OF JAPAN, (19890314), vol. 013, no. 106, Database accession no. (E - 726)<3454> , & JP63276917 A 19881115 (NEC IC MIRCOCOMPUT SYST LTD)
 [X]  - PATENT ABSTRACTS OF JAPAN, (19890511), vol. 013, no. 198, Database accession no. (E - 756)<3546> , & JP01020721 A 19890124 (NEC CORP.)
 [X]  - PATENT ABSTRACTS OF JAPAN, (19890202), vol. 013, no. 046, Database accession no. (E - 711)<3394> , & JP63240207 A 19881005 (NEC CORP.)
 [X]  - PATENT ABSTRACTS OF JAPAN, (19840221), vol. 008, no. 039, Database accession no. (E - 228)<1476> , & JP58196726 A 19831116 (HITACHI SEISAKUSHO K.K.)
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.