Global Patent Index - EP 0638910 B1

EP 0638910 B1 2002-11-20 - Sintered ceramic for stable high temperature-thermistors and their method of manufacture

Title (en)

Sintered ceramic for stable high temperature-thermistors and their method of manufacture

Title (de)

Sinterkeramik für stabile Hochtemperatur-Thermistoren und Verfahren zu ihrer Herstellung

Title (fr)

Céramique frittée pour thermistors stables à hautes températures et leur procédé de fabrication

Publication

EP 0638910 B1 (DE)

Application

EP 94110754 A

Priority

DE 4327285 A

Abstract (en)

[origin: EP0638910A2] Sintered ceramic for stable high-temperature thermistors in the form of a mixture containing manganese(IV) and a basic oxide. <IMAGE>

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

H01C 7/04; C04B 35/01

IPC 8 full level (invention and additional information)

H01C 7/04 (2006.01)

CPC (invention and additional information)

H01C 7/043 (2013.01)

Designated contracting state (EPC)

DE FR GB NL

EPO simple patent family

EP 0638910 A2 19950215; EP 0638910 A3 19970108; EP 0638910 B1 20021120; JP H0766008 A 19950310; US 5536449 A 19960716

INPADOC legal status


2004-04-30 [REG FR ST] NOTIFICATION OF LAPSE

2004-04-01 [NLV4] NL: LAPSED OR ANULLED DUE TO NON-PAYMENT OF THE ANNUAL FEE

- Effective date: 20040201

2004-03-31 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: FR

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20040331

2004-03-03 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20030711

2004-02-03 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: DE

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20040203

2004-02-01 [PG25 NL] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: NL

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20040201

2003-11-12 [26N] NO OPPOSITION FILED

- Effective date: 20030821

2003-10-01 [NLT2] NL: MODIFICATIONS (OF NAMES), TAKEN FROM THE EUROPEAN PATENT PATENT BULLETIN

- Owner name: EPCOS AG

2003-08-13 [RAP2] TRANSFER OF RIGHTS OF AN EP GRANTED PATENT

- Owner name: EPCOS AG

2003-07-11 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: GB

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20030711

2003-07-04 [ET] FR: TRANSLATION FILED

2003-01-02 [REF] CORRESPONDS TO:

- Document: DE 59410207 20030102

2002-12-11 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20021120

2002-11-20 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB NL

2002-11-20 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2001-05-30 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010418

2000-07-12 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: EPCOS AG

1997-04-09 [R17P] REQUEST FOR EXAMINATION FILED (CORRECTION)

- Effective date: 19970121

1997-03-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19970130

1997-01-08 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): DE FR GB NL

1995-02-15 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): DE FR GB NL