Global Patent Index - EP 0774523 B1

EP 0774523 B1 2000-04-12 - Silver-iron material for electrical switch contacts

Title (en)

Silver-iron material for electrical switch contacts

Title (de)

Silber-Eisen-Werkstoff für elektrische Schaltkontakte (III)

Title (fr)

Matière agent-fer pour contacts interrupteurs électriques

Publication

EP 0774523 B1 (DE)

Application

EP 96117208 A

Priority

DE 19543223 A

Abstract (en)

[origin: DE19543223C1] Ag-Fe material comprises (in wt.%): 0.5-20 Fe, 0.05-5 Re,Ir and/or Ru, and 0.05-2 oxide of Mg, Ca, Y, La, Ti, Zr, Hf, Ce, Nb, Ta, Cr, Mn, Fe, Cu Zn, Al, In, Si, and Sn, with a balance of Ag. The material contains 0.3-1.5 wt.% Re, Ir and/or Ru, 0.2-1.2 wt.% oxide components, and 0.5-10 wt.% Fe.

IPC 1-7 (main, further and additional classification)

C22C 5/06; H01H 1/02

IPC 8 full level (invention and additional information)

C22C 5/06 (2006.01); H01H 1/023 (2006.01)

CPC (invention and additional information)

C22C 5/06 (2013.01); H01H 1/023 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

DE 19543223 C1 19970220; EP 0774523 A1 19970521; EP 0774523 B1 20000412; ES 2146824 T3 20000816; JP H09171734 A 19970630; US 5728194 A 19980317

INPADOC legal status


2010-07-30 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2008-01-16 [REG ES FD2A] ANNOUNCEMENT OF LAPSE IN SPAIN

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2007-11-24 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2007-07-27 [REG FR ST] NOTIFICATION OF LAPSE

- Effective date: 20070629

2007-06-27 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

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2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-03-28 [26N] NO OPPOSITION FILED

2000-08-16 [REG ES FG2A] DEFINITIVE PROTECTION

- Document: ES 2146824 T3

2000-07-28 [ET] FR: TRANSLATION FILED

2000-07-12 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20000616

2000-05-24 [ITF] IT: TRANSLATION FOR A EP PATENT FILED

- Owner name: JACOBACCI & PERANI S.P.A.

2000-05-18 [REF] CORRESPONDS TO:

- Document: DE 59604949 20000518

2000-04-12 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE ES FR GB IT

1999-09-08 [RAP3] CORRECTION OF THE ADDRESS OR NAME OF APPLICANT (A DOCUMENT)

- Owner name: DEGUSSA-HUELS AKTIENGESELLSCHAFT

1999-06-30 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: DEGUSSA-HUELS AKTIENGESELLSCHAFT

1997-08-06 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19970625

1997-05-21 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19970307

1997-05-21 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FR GB IT