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EP0413505
European procedure
Extract from the Register of European Patents
EP About this file: EP0413505
| EP0413505 - Generalized viterbi decoding algorithms [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.10.1996 Database last updated on 22.04.2025 | Most recent event Tooltip | 25.10.1996 | No opposition filed within time limit | published on 11.12.1996 [1996/50] | Applicant(s) | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | [1991/08] | Inventor(s) | 01 /
Seshadri, Nambirajan 125 Country Club Lane Scotch Plains, New Jersey 07076 / US | 02 /
Sundberg, Carl-Erik W. 25 Hickory Place A-11 Chatham, New Jersey 07928 / US | [1991/08] | Representative(s) | Buckley, Christopher Simon Thirsk, et al Lucent Technologies (UK) Ltd, 5 Mornington Road Woodford Green Essex IG8 0TU / GB | [N/P] |
| Former [1991/08] | Buckley, Christopher Simon Thirsk, et al AT&T (UK) LTD., AT&T Intellectual Property Division, 5 Mornington Road Woodford Green, Essex IG8 0TU / GB | Application number, filing date | 90308749.2 | 09.08.1990 | [1991/08] | Priority number, date | US19890395930 | 18.08.1989 Original published format: US 395930 | [1991/08] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0413505 | Date: | 20.02.1991 | Language: | EN | [1991/08] | Type: | B1 Patent specification | No.: | EP0413505 | Date: | 20.12.1995 | Language: | EN | [1995/51] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.12.1990 | Classification | IPC: | H03M13/12, G06F11/10 | [1991/08] | CPC: |
H03M13/39 (EP);
H03M13/4115 (EP);
H03M7/00 (KR)
| Designated contracting states | CH, DE, FR, GB, IT, LI, NL, SE [1991/08] | Title | German: | Verallgemeinernder Viterbi-Dekodier-Algorithmus | [1991/08] | English: | Generalized viterbi decoding algorithms | [1991/08] | French: | Algorithme généralisé de décodage viterbi | [1991/08] | Examination procedure | 05.06.1991 | Examination requested [1991/33] | 25.01.1994 | Despatch of a communication from the examining division (Time limit: M04) | 25.05.1994 | Reply to a communication from the examining division | 22.11.1994 | Despatch of a communication from the examining division (Time limit: M04) | 20.03.1995 | Reply to a communication from the examining division | 04.05.1995 | Despatch of communication of intention to grant (Approval: Yes) | 16.06.1995 | Communication of intention to grant the patent | 18.08.1995 | Fee for grant paid | 18.08.1995 | Fee for publishing/printing paid | Opposition(s) | 21.09.1996 | No opposition filed within time limit [1996/50] | Fees paid | Renewal fee | 19.08.1992 | Renewal fee patent year 03 | 13.08.1993 | Renewal fee patent year 04 | 16.08.1994 | Renewal fee patent year 05 | 11.08.1995 | Renewal 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 | [A]DE3600905 (ANT NACHRICHTENTECH [DE]); | [A]DE3721884 (MEYR HEINRICH PROF DR [DE]); | [A]GB2198615 (TOSHIBA KK); | [A]EP0052463 ; | [A]EP0054583 ; | [A]EP0138598 (NEC CORP [JP]); | [A]EP0208537 (CODEX CORP [US]); | [A]EP0210932 (BATTAIL GERARD); | [A]US4527279 (YASUDA YUTAKA [JP], et al); | [A]US4545054 (DAVIS ROBERT C [US]); | [A]US4660214 (PAHLAVAN KAVEH [US], et al); | [A]US4644564 (DOLIVO FRANCOIS B [CH], et al); | [A]US4677624 (BETTS WILLIAM L [US], et al); | [A]US4677626 (BETTS WILLIAM L [US], et al); | [A]US4730322 (POLLARA-BOZZOLA FABRIZIO [US]); | [A]US4788694 (CALDERBANK ARTHUR R [US]) | Examination | US4748626 | US4757506 | US4811346 | US4606027 |