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EP0596623
European procedure
Extract from the Register of European Patents
EP About this file: EP0596623
| EP0596623 - Electronic cancellation of ambient noise in telephone receivers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.02.2002 Database last updated on 31.08.2024 | Most recent event Tooltip | 05.12.2003 | Lapse of the patent in a contracting state New state(s): ES State(s) deleted from list of lapses: DE | published on 21.01.2004 [2004/04] | Applicant(s) | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | [1994/40] |
| Former [1994/19] | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | Inventor(s) | 01 /
Benning, Roger David 11 Stony Brook Road Long Valley, New Jersey 07853 / US | 02 /
Fischer, Elliot Andrew 6 Leigh Drive Madison, New Jersey 07940 / US | 03 /
Greene, Patricia Lee 110 Boulevard Mountain Lakes, New Jersey 07046 / US | 04 /
Sanford, Charles 13 Overbrook Road Somerset, New Jersey 08873 / US | 05 /
Schneider, Robert Edward 28 Sandra Lane Wayne, New Jersey 07470 / US | [1994/19] | Representative(s) | Buckley, Christopher Simon Thirsk, et al Lucent Technologies (UK) Ltd, 5 Mornington Road Woodford Green Essex IG8 0TU / GB | [N/P] |
| Former [1994/19] | 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 | 93308341.2 | 20.10.1993 | [1994/19] | Priority number, date | US19920971009 | 02.11.1992 Original published format: US 971009 | [1994/19] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0596623 | Date: | 11.05.1994 | Language: | EN | [1994/19] | Type: | A3 Search report | No.: | EP0596623 | Date: | 02.01.1997 | [1997/01] | Type: | B1 Patent specification | No.: | EP0596623 | Date: | 18.04.2001 | Language: | EN | [2001/16] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.11.1996 | Classification | IPC: | H04M1/19, H04M1/60 | [1994/19] | CPC: |
H04M1/6016 (EP,KR,US);
H04M1/19 (EP,KR,US)
| Designated contracting states | DE, ES, FR, GB [1994/19] | Title | German: | Elektronische Schaltung zur Unterdrückung des Umgebungsgeräuschs in Telefonhörern | [1994/19] | English: | Electronic cancellation of ambient noise in telephone receivers | [1994/19] | French: | Circuit électronique de suppression du bruit ambiant dans des récepteurs téléphoniques | [1994/19] | Examination procedure | 18.06.1997 | Examination requested [1997/34] | 11.09.2000 | Despatch of communication of intention to grant (Approval: No) | 06.10.2000 | Despatch of communication of intention to grant (Approval: later approval) | 26.10.2000 | Communication of intention to grant the patent | 10.01.2001 | Fee for grant paid | 10.01.2001 | Fee for publishing/printing paid | Opposition(s) | 19.01.2002 | No opposition filed within time limit [2002/15] | Fees paid | Renewal fee | 17.10.1995 | Renewal fee patent year 03 | 23.10.1996 | Renewal fee patent year 04 | 10.10.1997 | Renewal fee patent year 05 | 16.10.1998 | Renewal fee patent year 06 | 18.10.1999 | Renewal fee patent year 07 | 20.09.2000 | Renewal fee patent year 08 |
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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. | Lapses during opposition Tooltip | ES | 30.10.2001 | [2004/04] |
| Former [2002/15] | DE | 19.07.2001 | Documents cited: | Search | [A]WO9205538 (TODTER CHRIS [US], et al) [A] 1 * page 1, line 1 - page 15, line 25; figures 1,5,7,11,13; claims 1,11,15 *; | [A]GB2172769 (TOPEXPRESS LTD) [A] 1 * page 1, line 1 - line 109; figure 2; claims 1,2,4,6,10 *; | [A]US4061875 (FREIFELD STEPHEN, et al) [A] 1 * column 1, line 1 - column 2, line 13; figure 2; claims 1,10 *; | [A]EP0385713 (SONY CORP [JP]) [A] 1 * page 2, line 1 - page 3, line 20; figure 1; claims 1-3,5-9,11 *; | [A]US4494074 (BOSE AMAR G [US]) [A] 1 * column 1, line 26 - column 2, line 25; figures 2,5B; claims 1,3 * |