Global Patent Index - EP 0703600 B1

EP 0703600 B1 2000-01-26 - High pressure discharge lamp

Title (en)

High pressure discharge lamp

Title (de)

Hochdruckentladungslampe

Title (fr)

Lampe à décharge haute pression

Publication

EP 0703600 B1 (DE)

Application

EP 95112861 A

Priority

DE 9415217 U

Abstract (en)

[origin: EP0703600A2] The lamp has a discharge vessel (2) contg. an axially mounted cathode (4) and anode (3) and an ionisable filling. The cathode has a cylindrical base body (8) which narrows to a point (10) and the cathode is at least partially coated by a carbide film. The whole of the narrowing region between the tip and the base body is free of carbide, whilst the base body is at least partly coated with carbide. The lamp contains mercury in a quantity of 70 to 130 mg/cm3, the electrode separation is 0.4 to 0.8 mm. and the working voltage is about 20 to 29 volts, esp. about 23 volts.

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

H01J 61/073

IPC 8 full level (invention and additional information)

H01J 61/02 (2006.01); H01J 61/073 (2006.01); H01J 61/16 (2006.01); H01J 61/20 (2006.01); H01J 61/82 (2006.01)

CPC (invention and additional information)

H01J 61/025 (2013.01); H01J 61/073 (2013.01); H01J 61/0735 (2013.01); H01J 61/16 (2013.01); H01J 61/20 (2013.01); H01J 61/82 (2013.01)

Designated contracting state (EPC)

BE DE FR GB IT NL

EPO simple patent family

DE 9415217 U1 19960125; EP 0703600 A2 19960327; EP 0703600 A3 19980506; EP 0703600 B1 20000126; JP 3022910 U 19960402; US 5629585 A 19970513

INPADOC legal status


2015-10-30 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2015-09-09 [REG GB PE20] PATENT EXPIRED AFTER TERMINATION OF 20 YEARS

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2015-08-16 [REG DE R071] EXPIRY OF RIGHT

- Document: DE 59507686

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2013-10-17 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: OSRAM GMBH, DE

- Free text: FORMER OWNER: OSRAM GMBH, 81543 MUENCHEN, DE

- Document: DE 59507686

- Effective date: 20130822

2013-03-28 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

- Owner name: OSRAM GMBH, DE

- Free text: FORMER OWNER: OSRAM AG, 81543 MUENCHEN, DE

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- Effective date: 20130205

2012-01-19 [REG DE R081] CHANGE OF APPLICANT/PATENTEE

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- Free text: FORMER OWNER: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG, 81543 MUENCHEN, DE

- Document: DE 59507686

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2008-05-01 [NLV4] NL: LAPSED OR ANULLED DUE TO NON-PAYMENT OF THE ANNUAL FEE

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2008-02-29 [BERE] BE: LAPSED

- Owner name: *PATENT-TREUHAND-G.- FUR ELEKTRISCHE GLUHLAMPEN M.

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

2001-01-10 [26N] NO OPPOSITION FILED

2000-04-28 [ET] FR: TRANSLATION FILED

2000-04-26 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20000330

2000-04-06 [ITF] IT: TRANSLATION FOR A EP PATENT FILED

- Owner name: STUDIO JAUMANN P. & C. S.N.C.

2000-03-02 [REF] CORRESPONDS TO:

- Document: DE 59507686 20000302

2000-01-26 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): BE DE FR GB IT NL

1999-04-07 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19990219

1998-08-05 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19980608

1998-05-06 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

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1996-03-27 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

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