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EP0367457
European procedure
Extract from the Register of European Patents
EP About this file: EP0367457
| EP0367457 - A feed forward linear amplifier [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.01.1997 Database last updated on 18.10.2024 | Most recent event Tooltip | 31.01.1997 | No opposition filed within time limit | published on 19.03.1997 [1997/12] | Applicant(s) | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | [1990/19] | Inventor(s) | 01 /
Myer, Robert E. 30 Spear Lane Denville New Jersey 07834 / US | [1990/19] | Representative(s) | Buckley, Christopher Simon Thirsk, et al Lucent Technologies (UK) Ltd, 5 Mornington Road Woodford Green Essex IG8 0TU / GB | [N/P] |
| Former [1990/19] | 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 | 89310826.6 | 20.10.1989 | [1990/19] | Priority number, date | US19880265084 | 31.10.1988 Original published format: US 265084 | [1990/19] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0367457 | Date: | 09.05.1990 | Language: | EN | [1990/19] | Type: | A3 Search report | No.: | EP0367457 | Date: | 27.12.1990 | Language: | EN | [1990/52] | Type: | B1 Patent specification | No.: | EP0367457 | Date: | 27.03.1996 | Language: | EN | [1996/13] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.11.1990 | Classification | IPC: | H03F1/32 | [1990/19] | CPC: |
H03F1/3235 (EP,US);
H03F2201/3212 (EP,US)
| Designated contracting states | DE, FR, GB, NL, SE [1990/19] | Title | German: | Vorwärtsgekoppelter linearer Verstärker | [1990/19] | English: | A feed forward linear amplifier | [1990/19] | French: | Amplificateur linéaire à contre-réaction de type aval | [1990/19] | Examination procedure | 19.06.1991 | Examination requested [1991/34] | 21.01.1994 | Despatch of a communication from the examining division (Time limit: M04) | 13.05.1994 | Reply to a communication from the examining division | 28.07.1995 | Despatch of communication of intention to grant (Approval: Yes) | 04.09.1995 | Communication of intention to grant the patent | 02.11.1995 | Fee for grant paid | 02.11.1995 | Fee for publishing/printing paid | Opposition(s) | 28.12.1996 | No opposition filed within time limit [1997/12] | Fees paid | Renewal fee | 21.10.1991 | Renewal fee patent year 03 | 19.10.1992 | Renewal fee patent year 04 | 18.10.1993 | Renewal fee patent year 05 | 14.10.1994 | Renewal fee patent year 06 | 17.10.1995 | Renewal fee patent year 07 |
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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]US3922617 (DENNISTON WILLIAM B, et al); | [A]US4394624 (BAUMAN RONALD M); | [X]US4560945 (OLVER TERENCE E [US]); | [AD]US4580105 (MYER ROBERT E [US]); | [A]GB2167256 (RACAL COMMUNICATIONS EQUIP) |