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EP0471216
European procedure
Extract from the Register of European Patents
EP About this file: EP0471216
| EP0471216 - Method for testing the line connection before switching-over from a telephone exchange which is to be disabled, to a new digital exchange ready to be put into operation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.02.1996 Database last updated on 31.08.2024 | Most recent event Tooltip | 02.02.1996 | No opposition filed within time limit | published on 20.03.1996 [1996/12] | Applicant(s) | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
| Former [1992/08] | For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Lechner, Robert, Dipl.-Ing. Dr. Bilcik 16 A-3100 St. Pölten / AT | 02 /
Miller, Tom 798 Glenwood Drive Lake Mary Florida 32746 / US | [1992/08] | Application number, filing date | 91112360.2 | 23.07.1991 | [1992/08] | Priority number, date | DE19904025750 | 14.08.1990 Original published format: DE 4025750 | [1992/08] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0471216 | Date: | 19.02.1992 | Language: | DE | [1992/08] | Type: | A3 Search report | No.: | EP0471216 | Date: | 18.03.1992 | Language: | DE | [1992/12] | Type: | B1 Patent specification | No.: | EP0471216 | Date: | 29.03.1995 | Language: | DE | [1995/13] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 29.01.1992 | Classification | IPC: | H04M3/30, H04M3/28 | [1992/12] | CPC: |
H04M3/30 (EP,US);
H04M3/229 (EP,US);
H04M3/28 (EP,US);
H04Q1/149 (EP,US)
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| Former IPC [1992/08] | H04M3/28 | Designated contracting states | AT, BE, CH, DE, FR, GB, GR, IT, LI, LU, NL, SE [1992/08] | Title | German: | Verfahren zur Leitungsanschlussprüfung vor einer Umschaltung von einer ausser Betrieb zu nehmenden Fernsprechvermittlungsstelle auf eine neu in Betrieb zu nehmende digitale Fernsprechvermittlungsstelle | [1992/08] | English: | Method for testing the line connection before switching-over from a telephone exchange which is to be disabled, to a new digital exchange ready to be put into operation | [1992/08] | French: | Méthode pour tester la connexion de ligne avant une commutation d'un central téléphonique qui doit être mis hors service à un nouveau central téléphonique numérique qui doit être mis en service | [1992/08] | Examination procedure | 08.04.1992 | Examination requested [1992/23] | 04.03.1994 | Despatch of a communication from the examining division (Time limit: M04) | 11.07.1994 | Reply to a communication from the examining division | 25.08.1994 | Despatch of communication of intention to grant (Approval: Yes) | 23.09.1994 | Communication of intention to grant the patent | 16.12.1994 | Fee for grant paid | 16.12.1994 | Fee for publishing/printing paid | Opposition(s) | 30.12.1995 | No opposition filed within time limit [1996/12] | Fees paid | Renewal fee | 20.07.1993 | Renewal fee patent year 03 | 19.07.1994 | Renewal fee patent year 04 |
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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]JP1171355 ; | [A]US3752940 (SANTULLI V, et al); | [A]US4454388 (DANIELS WILLIAM R [US], et al); | [A]US4544809 (STUPARITS JEFFREY J [US], et al) | [A] - PATENT ABSTRACTS OF JAPAN vol. 13, no. 445 (E-829)(3793) 6. Oktober 1989 & JP-A-1 171 355 ( FUJITSU LTD ), & JP1171355 A 00000000 | [A] - TELCOM REPORT Bd. 8, Nr. 6, November 1985, FRANKFURT DEUTSCHLAND Seiten 367 - 371; SCHLAG ET AL.: 'Automatische Messung der Betriebsgüte im Digitalvermittlungssystem EWSD' |