Patent details
EP0467212
Title:
Arrangement for the protection of a feed circuit of a subscriber line circuit of a telephone exchange against external overvoltages
Basic Information
- Publication number:
- EP0467212
- PCT Application Number:
- Type:
- European Patent Granted for LU
- Legal Status:
- Lapsed
- Application number:
- EP911115004
- PCT Publication Number:
- First applicant's nationality:
- Translation Language:
- EPO Publication Language:
- German
- English Title of Invention:
- Arrangement for the protection of a feed circuit of a subscriber line circuit of a telephone exchange against external overvoltages
- French Title of Invention:
- Disposition pour la protection d'un circuit d'alimentation d'un circuit de ligne d'abonné d'un central téléphonique contre des surtensions externes
- German Title of Invention:
- Anordnung zum Schutz einer Speiseschaltung einer Teilnehmeranschlussschaltung einer Fernmeldevermittlungsstelle gegen externe Überspannungen
- SPC Number:
-
Dates
- Filing date:
- 10/07/1991
- Grant date:
- 15/12/1999
- EP Publication Date:
- 15/12/1999
- PCT Publication Date:
- Claims Translation Received Date:
- Translations Received Date (B1 EP Publication):
- Translations Received Date (B2 EP Publication):
- Translations Received Date (B3 EP Publication):
- Publication date:
- 22/01/1992
- EP B1 Publication Date:
- 15/12/1999
- EP B2 Publication Date:
- EP B3 Publication Date:
- Lapsed date:
- 10/07/2001
- Expiration date:
- 10/07/2011
- Renunciation date:
- Revocation date:
- Annulment date:
Owner
- From:
- 10/07/1991
-
-
- Name:
- SIEMENS AKTIENGESELLSCHAFT
- Address:
- Wittelsbacherplatz 2, 80333 MÜnchen, Germany (DE)
Inventor
1
- Name:
- Meyer Oswald, Dipl.-Ing.
- Address:
- Germany (DE)
2
- Name:
- Bronold Joseph, Dipl.-Ing.
- Address:
- Germany (DE)
Priority
- Priority Number:
- 4023137
- Priority Date:
- 20/07/1990
- Priority Country:
- Germany (DE)
Classification
- Main IPC Class:
-
H04M 19/00;
Filing date |
Document type |
Number of pages |